diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index 80dda6c449dbe..a679c07fa68da 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -1280,6 +1280,20 @@ export function getScriptTargetFeatures(): ScriptTargetFeatures {
             BigUint64Array: ["at"],
             ObjectConstructor: ["hasOwn"],
             Error: ["cause"]
+        },
+        es2023: {
+            Array: ["findLastIndex", "findLast"],
+            Int8Array: ["findLastIndex", "findLast"],
+            Uint8Array: ["findLastIndex", "findLast"],
+            Uint8ClampedArray: ["findLastIndex", "findLast"],
+            Int16Array: ["findLastIndex", "findLast"],
+            Uint16Array: ["findLastIndex", "findLast"],
+            Int32Array: ["findLastIndex", "findLast"],
+            Uint32Array: ["findLastIndex", "findLast"],
+            Float32Array: ["findLastIndex", "findLast"],
+            Float64Array: ["findLastIndex", "findLast"],
+            BigInt64Array: ["findLastIndex", "findLast"],
+            BigUint64Array: ["findLastIndex", "findLast"],
         }
     };
 }
diff --git a/tests/baselines/reference/findLast(target=es2022).errors.txt b/tests/baselines/reference/findLast(target=es2022).errors.txt
new file mode 100644
index 0000000000000..cc70f5b9760ba
--- /dev/null
+++ b/tests/baselines/reference/findLast(target=es2022).errors.txt
@@ -0,0 +1,109 @@
+tests/cases/compiler/findLast.ts(1,44): error TS2550: Property 'findLast' does not exist on type 'number[]'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(2,51): error TS2550: Property 'findLast' does not exist on type 'string[]'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(3,17): error TS2550: Property 'findLast' does not exist on type 'Int8Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(4,18): error TS2550: Property 'findLast' does not exist on type 'Uint8Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(5,25): error TS2550: Property 'findLast' does not exist on type 'Uint8ClampedArray'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(6,18): error TS2550: Property 'findLast' does not exist on type 'Int16Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(7,19): error TS2550: Property 'findLast' does not exist on type 'Uint16Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(8,18): error TS2550: Property 'findLast' does not exist on type 'Int32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(9,19): error TS2550: Property 'findLast' does not exist on type 'Uint32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(10,20): error TS2550: Property 'findLast' does not exist on type 'Float32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(11,20): error TS2550: Property 'findLast' does not exist on type 'Float64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(12,21): error TS2550: Property 'findLast' does not exist on type 'BigInt64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(13,22): error TS2550: Property 'findLast' does not exist on type 'BigUint64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(15,33): error TS2550: Property 'findLastIndex' does not exist on type 'number[]'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(16,40): error TS2550: Property 'findLastIndex' does not exist on type 'string[]'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(17,17): error TS2550: Property 'findLastIndex' does not exist on type 'Int8Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(18,18): error TS2550: Property 'findLastIndex' does not exist on type 'Uint8Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(19,25): error TS2550: Property 'findLastIndex' does not exist on type 'Uint8ClampedArray'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(20,18): error TS2550: Property 'findLastIndex' does not exist on type 'Int16Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(21,19): error TS2550: Property 'findLastIndex' does not exist on type 'Uint16Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(22,18): error TS2550: Property 'findLastIndex' does not exist on type 'Int32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(23,19): error TS2550: Property 'findLastIndex' does not exist on type 'Uint32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(24,20): error TS2550: Property 'findLastIndex' does not exist on type 'Float32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(25,20): error TS2550: Property 'findLastIndex' does not exist on type 'Float64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(26,21): error TS2550: Property 'findLastIndex' does not exist on type 'BigInt64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+tests/cases/compiler/findLast.ts(27,22): error TS2550: Property 'findLastIndex' does not exist on type 'BigUint64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+
+
+==== tests/cases/compiler/findLast.ts (26 errors) ====
+    const itemNumber: number | undefined = [0].findLast((item) => item === 0);
+                                               ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'number[]'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    const itemString: string | undefined = ["string"].findLast((item) => item === "string");
+                                                      ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'string[]'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Int8Array().findLast((item) => item === 0);
+                    ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'Int8Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Uint8Array().findLast((item) => item === 0);
+                     ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'Uint8Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Uint8ClampedArray().findLast((item) => item === 0);
+                            ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'Uint8ClampedArray'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Int16Array().findLast((item) => item === 0);
+                     ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'Int16Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Uint16Array().findLast((item) => item === 0);
+                      ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'Uint16Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Int32Array().findLast((item) => item === 0);
+                     ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'Int32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Uint32Array().findLast((item) => item === 0);
+                      ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'Uint32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Float32Array().findLast((item) => item === 0);
+                       ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'Float32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Float64Array().findLast((item) => item === 0);
+                       ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'Float64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new BigInt64Array().findLast((item) => item === BigInt(0));
+                        ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'BigInt64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new BigUint64Array().findLast((item) => item === BigInt(0));
+                         ~~~~~~~~
+!!! error TS2550: Property 'findLast' does not exist on type 'BigUint64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    
+    const indexNumber: number = [0].findLastIndex((item) => item === 0);
+                                    ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'number[]'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    const indexString: number = ["string"].findLastIndex((item) => item === "string");
+                                           ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'string[]'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Int8Array().findLastIndex((item) => item === 0);
+                    ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'Int8Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Uint8Array().findLastIndex((item) => item === 0);
+                     ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'Uint8Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Uint8ClampedArray().findLastIndex((item) => item === 0);
+                            ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'Uint8ClampedArray'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Int16Array().findLastIndex((item) => item === 0);
+                     ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'Int16Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Uint16Array().findLastIndex((item) => item === 0);
+                      ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'Uint16Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Int32Array().findLastIndex((item) => item === 0);
+                     ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'Int32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Uint32Array().findLastIndex((item) => item === 0);
+                      ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'Uint32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Float32Array().findLastIndex((item) => item === 0);
+                       ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'Float32Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new Float64Array().findLastIndex((item) => item === 0);
+                       ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'Float64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new BigInt64Array().findLastIndex((item) => item === BigInt(0));
+                        ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'BigInt64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    new BigUint64Array().findLastIndex((item) => item === BigInt(0));
+                         ~~~~~~~~~~~~~
+!!! error TS2550: Property 'findLastIndex' does not exist on type 'BigUint64Array'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2023' or later.
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/findLast(target=es2022).js b/tests/baselines/reference/findLast(target=es2022).js
new file mode 100644
index 0000000000000..b9ba7b1324b38
--- /dev/null
+++ b/tests/baselines/reference/findLast(target=es2022).js
@@ -0,0 +1,57 @@
+//// [findLast.ts]
+const itemNumber: number | undefined = [0].findLast((item) => item === 0);
+const itemString: string | undefined = ["string"].findLast((item) => item === "string");
+new Int8Array().findLast((item) => item === 0);
+new Uint8Array().findLast((item) => item === 0);
+new Uint8ClampedArray().findLast((item) => item === 0);
+new Int16Array().findLast((item) => item === 0);
+new Uint16Array().findLast((item) => item === 0);
+new Int32Array().findLast((item) => item === 0);
+new Uint32Array().findLast((item) => item === 0);
+new Float32Array().findLast((item) => item === 0);
+new Float64Array().findLast((item) => item === 0);
+new BigInt64Array().findLast((item) => item === BigInt(0));
+new BigUint64Array().findLast((item) => item === BigInt(0));
+
+const indexNumber: number = [0].findLastIndex((item) => item === 0);
+const indexString: number = ["string"].findLastIndex((item) => item === "string");
+new Int8Array().findLastIndex((item) => item === 0);
+new Uint8Array().findLastIndex((item) => item === 0);
+new Uint8ClampedArray().findLastIndex((item) => item === 0);
+new Int16Array().findLastIndex((item) => item === 0);
+new Uint16Array().findLastIndex((item) => item === 0);
+new Int32Array().findLastIndex((item) => item === 0);
+new Uint32Array().findLastIndex((item) => item === 0);
+new Float32Array().findLastIndex((item) => item === 0);
+new Float64Array().findLastIndex((item) => item === 0);
+new BigInt64Array().findLastIndex((item) => item === BigInt(0));
+new BigUint64Array().findLastIndex((item) => item === BigInt(0));
+
+
+//// [findLast.js]
+const itemNumber = [0].findLast((item) => item === 0);
+const itemString = ["string"].findLast((item) => item === "string");
+new Int8Array().findLast((item) => item === 0);
+new Uint8Array().findLast((item) => item === 0);
+new Uint8ClampedArray().findLast((item) => item === 0);
+new Int16Array().findLast((item) => item === 0);
+new Uint16Array().findLast((item) => item === 0);
+new Int32Array().findLast((item) => item === 0);
+new Uint32Array().findLast((item) => item === 0);
+new Float32Array().findLast((item) => item === 0);
+new Float64Array().findLast((item) => item === 0);
+new BigInt64Array().findLast((item) => item === BigInt(0));
+new BigUint64Array().findLast((item) => item === BigInt(0));
+const indexNumber = [0].findLastIndex((item) => item === 0);
+const indexString = ["string"].findLastIndex((item) => item === "string");
+new Int8Array().findLastIndex((item) => item === 0);
+new Uint8Array().findLastIndex((item) => item === 0);
+new Uint8ClampedArray().findLastIndex((item) => item === 0);
+new Int16Array().findLastIndex((item) => item === 0);
+new Uint16Array().findLastIndex((item) => item === 0);
+new Int32Array().findLastIndex((item) => item === 0);
+new Uint32Array().findLastIndex((item) => item === 0);
+new Float32Array().findLastIndex((item) => item === 0);
+new Float64Array().findLastIndex((item) => item === 0);
+new BigInt64Array().findLastIndex((item) => item === BigInt(0));
+new BigUint64Array().findLastIndex((item) => item === BigInt(0));
diff --git a/tests/baselines/reference/findLast(target=es2022).symbols b/tests/baselines/reference/findLast(target=es2022).symbols
new file mode 100644
index 0000000000000..c9cbf11a1f3f9
--- /dev/null
+++ b/tests/baselines/reference/findLast(target=es2022).symbols
@@ -0,0 +1,135 @@
+=== tests/cases/compiler/findLast.ts ===
+const itemNumber: number | undefined = [0].findLast((item) => item === 0);
+>itemNumber : Symbol(itemNumber, Decl(findLast.ts, 0, 5))
+>item : Symbol(item, Decl(findLast.ts, 0, 53))
+>item : Symbol(item, Decl(findLast.ts, 0, 53))
+
+const itemString: string | undefined = ["string"].findLast((item) => item === "string");
+>itemString : Symbol(itemString, Decl(findLast.ts, 1, 5))
+>item : Symbol(item, Decl(findLast.ts, 1, 60))
+>item : Symbol(item, Decl(findLast.ts, 1, 60))
+
+new Int8Array().findLast((item) => item === 0);
+>Int8Array : Symbol(Int8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 2, 26))
+>item : Symbol(item, Decl(findLast.ts, 2, 26))
+
+new Uint8Array().findLast((item) => item === 0);
+>Uint8Array : Symbol(Uint8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 3, 27))
+>item : Symbol(item, Decl(findLast.ts, 3, 27))
+
+new Uint8ClampedArray().findLast((item) => item === 0);
+>Uint8ClampedArray : Symbol(Uint8ClampedArray, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 4, 34))
+>item : Symbol(item, Decl(findLast.ts, 4, 34))
+
+new Int16Array().findLast((item) => item === 0);
+>Int16Array : Symbol(Int16Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 5, 27))
+>item : Symbol(item, Decl(findLast.ts, 5, 27))
+
+new Uint16Array().findLast((item) => item === 0);
+>Uint16Array : Symbol(Uint16Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 6, 28))
+>item : Symbol(item, Decl(findLast.ts, 6, 28))
+
+new Int32Array().findLast((item) => item === 0);
+>Int32Array : Symbol(Int32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 7, 27))
+>item : Symbol(item, Decl(findLast.ts, 7, 27))
+
+new Uint32Array().findLast((item) => item === 0);
+>Uint32Array : Symbol(Uint32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 8, 28))
+>item : Symbol(item, Decl(findLast.ts, 8, 28))
+
+new Float32Array().findLast((item) => item === 0);
+>Float32Array : Symbol(Float32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 9, 29))
+>item : Symbol(item, Decl(findLast.ts, 9, 29))
+
+new Float64Array().findLast((item) => item === 0);
+>Float64Array : Symbol(Float64Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 10, 29))
+>item : Symbol(item, Decl(findLast.ts, 10, 29))
+
+new BigInt64Array().findLast((item) => item === BigInt(0));
+>BigInt64Array : Symbol(BigInt64Array, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2022.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 11, 30))
+>item : Symbol(item, Decl(findLast.ts, 11, 30))
+>BigInt : Symbol(BigInt, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
+
+new BigUint64Array().findLast((item) => item === BigInt(0));
+>BigUint64Array : Symbol(BigUint64Array, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2022.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 12, 31))
+>item : Symbol(item, Decl(findLast.ts, 12, 31))
+>BigInt : Symbol(BigInt, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
+
+const indexNumber: number = [0].findLastIndex((item) => item === 0);
+>indexNumber : Symbol(indexNumber, Decl(findLast.ts, 14, 5))
+>item : Symbol(item, Decl(findLast.ts, 14, 47))
+>item : Symbol(item, Decl(findLast.ts, 14, 47))
+
+const indexString: number = ["string"].findLastIndex((item) => item === "string");
+>indexString : Symbol(indexString, Decl(findLast.ts, 15, 5))
+>item : Symbol(item, Decl(findLast.ts, 15, 54))
+>item : Symbol(item, Decl(findLast.ts, 15, 54))
+
+new Int8Array().findLastIndex((item) => item === 0);
+>Int8Array : Symbol(Int8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 16, 31))
+>item : Symbol(item, Decl(findLast.ts, 16, 31))
+
+new Uint8Array().findLastIndex((item) => item === 0);
+>Uint8Array : Symbol(Uint8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 17, 32))
+>item : Symbol(item, Decl(findLast.ts, 17, 32))
+
+new Uint8ClampedArray().findLastIndex((item) => item === 0);
+>Uint8ClampedArray : Symbol(Uint8ClampedArray, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 18, 39))
+>item : Symbol(item, Decl(findLast.ts, 18, 39))
+
+new Int16Array().findLastIndex((item) => item === 0);
+>Int16Array : Symbol(Int16Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 19, 32))
+>item : Symbol(item, Decl(findLast.ts, 19, 32))
+
+new Uint16Array().findLastIndex((item) => item === 0);
+>Uint16Array : Symbol(Uint16Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 20, 33))
+>item : Symbol(item, Decl(findLast.ts, 20, 33))
+
+new Int32Array().findLastIndex((item) => item === 0);
+>Int32Array : Symbol(Int32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 21, 32))
+>item : Symbol(item, Decl(findLast.ts, 21, 32))
+
+new Uint32Array().findLastIndex((item) => item === 0);
+>Uint32Array : Symbol(Uint32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 22, 33))
+>item : Symbol(item, Decl(findLast.ts, 22, 33))
+
+new Float32Array().findLastIndex((item) => item === 0);
+>Float32Array : Symbol(Float32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 23, 34))
+>item : Symbol(item, Decl(findLast.ts, 23, 34))
+
+new Float64Array().findLastIndex((item) => item === 0);
+>Float64Array : Symbol(Float64Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 1 more)
+>item : Symbol(item, Decl(findLast.ts, 24, 34))
+>item : Symbol(item, Decl(findLast.ts, 24, 34))
+
+new BigInt64Array().findLastIndex((item) => item === BigInt(0));
+>BigInt64Array : Symbol(BigInt64Array, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2022.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 25, 35))
+>item : Symbol(item, Decl(findLast.ts, 25, 35))
+>BigInt : Symbol(BigInt, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
+
+new BigUint64Array().findLastIndex((item) => item === BigInt(0));
+>BigUint64Array : Symbol(BigUint64Array, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2022.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 26, 36))
+>item : Symbol(item, Decl(findLast.ts, 26, 36))
+>BigInt : Symbol(BigInt, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
+
diff --git a/tests/baselines/reference/findLast(target=es2022).types b/tests/baselines/reference/findLast(target=es2022).types
new file mode 100644
index 0000000000000..062ed5b047dd5
--- /dev/null
+++ b/tests/baselines/reference/findLast(target=es2022).types
@@ -0,0 +1,325 @@
+=== tests/cases/compiler/findLast.ts ===
+const itemNumber: number | undefined = [0].findLast((item) => item === 0);
+>itemNumber : number
+>[0].findLast((item) => item === 0) : any
+>[0].findLast : any
+>[0] : number[]
+>0 : 0
+>findLast : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+const itemString: string | undefined = ["string"].findLast((item) => item === "string");
+>itemString : string
+>["string"].findLast((item) => item === "string") : any
+>["string"].findLast : any
+>["string"] : string[]
+>"string" : "string"
+>findLast : any
+>(item) => item === "string" : (item: any) => boolean
+>item : any
+>item === "string" : boolean
+>item : any
+>"string" : "string"
+
+new Int8Array().findLast((item) => item === 0);
+>new Int8Array().findLast((item) => item === 0) : any
+>new Int8Array().findLast : any
+>new Int8Array() : Int8Array
+>Int8Array : Int8ArrayConstructor
+>findLast : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Uint8Array().findLast((item) => item === 0);
+>new Uint8Array().findLast((item) => item === 0) : any
+>new Uint8Array().findLast : any
+>new Uint8Array() : Uint8Array
+>Uint8Array : Uint8ArrayConstructor
+>findLast : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Uint8ClampedArray().findLast((item) => item === 0);
+>new Uint8ClampedArray().findLast((item) => item === 0) : any
+>new Uint8ClampedArray().findLast : any
+>new Uint8ClampedArray() : Uint8ClampedArray
+>Uint8ClampedArray : Uint8ClampedArrayConstructor
+>findLast : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Int16Array().findLast((item) => item === 0);
+>new Int16Array().findLast((item) => item === 0) : any
+>new Int16Array().findLast : any
+>new Int16Array() : Int16Array
+>Int16Array : Int16ArrayConstructor
+>findLast : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Uint16Array().findLast((item) => item === 0);
+>new Uint16Array().findLast((item) => item === 0) : any
+>new Uint16Array().findLast : any
+>new Uint16Array() : Uint16Array
+>Uint16Array : Uint16ArrayConstructor
+>findLast : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Int32Array().findLast((item) => item === 0);
+>new Int32Array().findLast((item) => item === 0) : any
+>new Int32Array().findLast : any
+>new Int32Array() : Int32Array
+>Int32Array : Int32ArrayConstructor
+>findLast : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Uint32Array().findLast((item) => item === 0);
+>new Uint32Array().findLast((item) => item === 0) : any
+>new Uint32Array().findLast : any
+>new Uint32Array() : Uint32Array
+>Uint32Array : Uint32ArrayConstructor
+>findLast : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Float32Array().findLast((item) => item === 0);
+>new Float32Array().findLast((item) => item === 0) : any
+>new Float32Array().findLast : any
+>new Float32Array() : Float32Array
+>Float32Array : Float32ArrayConstructor
+>findLast : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Float64Array().findLast((item) => item === 0);
+>new Float64Array().findLast((item) => item === 0) : any
+>new Float64Array().findLast : any
+>new Float64Array() : Float64Array
+>Float64Array : Float64ArrayConstructor
+>findLast : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new BigInt64Array().findLast((item) => item === BigInt(0));
+>new BigInt64Array().findLast((item) => item === BigInt(0)) : any
+>new BigInt64Array().findLast : any
+>new BigInt64Array() : BigInt64Array
+>BigInt64Array : BigInt64ArrayConstructor
+>findLast : any
+>(item) => item === BigInt(0) : (item: any) => boolean
+>item : any
+>item === BigInt(0) : boolean
+>item : any
+>BigInt(0) : bigint
+>BigInt : BigIntConstructor
+>0 : 0
+
+new BigUint64Array().findLast((item) => item === BigInt(0));
+>new BigUint64Array().findLast((item) => item === BigInt(0)) : any
+>new BigUint64Array().findLast : any
+>new BigUint64Array() : BigUint64Array
+>BigUint64Array : BigUint64ArrayConstructor
+>findLast : any
+>(item) => item === BigInt(0) : (item: any) => boolean
+>item : any
+>item === BigInt(0) : boolean
+>item : any
+>BigInt(0) : bigint
+>BigInt : BigIntConstructor
+>0 : 0
+
+const indexNumber: number = [0].findLastIndex((item) => item === 0);
+>indexNumber : number
+>[0].findLastIndex((item) => item === 0) : any
+>[0].findLastIndex : any
+>[0] : number[]
+>0 : 0
+>findLastIndex : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+const indexString: number = ["string"].findLastIndex((item) => item === "string");
+>indexString : number
+>["string"].findLastIndex((item) => item === "string") : any
+>["string"].findLastIndex : any
+>["string"] : string[]
+>"string" : "string"
+>findLastIndex : any
+>(item) => item === "string" : (item: any) => boolean
+>item : any
+>item === "string" : boolean
+>item : any
+>"string" : "string"
+
+new Int8Array().findLastIndex((item) => item === 0);
+>new Int8Array().findLastIndex((item) => item === 0) : any
+>new Int8Array().findLastIndex : any
+>new Int8Array() : Int8Array
+>Int8Array : Int8ArrayConstructor
+>findLastIndex : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Uint8Array().findLastIndex((item) => item === 0);
+>new Uint8Array().findLastIndex((item) => item === 0) : any
+>new Uint8Array().findLastIndex : any
+>new Uint8Array() : Uint8Array
+>Uint8Array : Uint8ArrayConstructor
+>findLastIndex : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Uint8ClampedArray().findLastIndex((item) => item === 0);
+>new Uint8ClampedArray().findLastIndex((item) => item === 0) : any
+>new Uint8ClampedArray().findLastIndex : any
+>new Uint8ClampedArray() : Uint8ClampedArray
+>Uint8ClampedArray : Uint8ClampedArrayConstructor
+>findLastIndex : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Int16Array().findLastIndex((item) => item === 0);
+>new Int16Array().findLastIndex((item) => item === 0) : any
+>new Int16Array().findLastIndex : any
+>new Int16Array() : Int16Array
+>Int16Array : Int16ArrayConstructor
+>findLastIndex : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Uint16Array().findLastIndex((item) => item === 0);
+>new Uint16Array().findLastIndex((item) => item === 0) : any
+>new Uint16Array().findLastIndex : any
+>new Uint16Array() : Uint16Array
+>Uint16Array : Uint16ArrayConstructor
+>findLastIndex : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Int32Array().findLastIndex((item) => item === 0);
+>new Int32Array().findLastIndex((item) => item === 0) : any
+>new Int32Array().findLastIndex : any
+>new Int32Array() : Int32Array
+>Int32Array : Int32ArrayConstructor
+>findLastIndex : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Uint32Array().findLastIndex((item) => item === 0);
+>new Uint32Array().findLastIndex((item) => item === 0) : any
+>new Uint32Array().findLastIndex : any
+>new Uint32Array() : Uint32Array
+>Uint32Array : Uint32ArrayConstructor
+>findLastIndex : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Float32Array().findLastIndex((item) => item === 0);
+>new Float32Array().findLastIndex((item) => item === 0) : any
+>new Float32Array().findLastIndex : any
+>new Float32Array() : Float32Array
+>Float32Array : Float32ArrayConstructor
+>findLastIndex : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new Float64Array().findLastIndex((item) => item === 0);
+>new Float64Array().findLastIndex((item) => item === 0) : any
+>new Float64Array().findLastIndex : any
+>new Float64Array() : Float64Array
+>Float64Array : Float64ArrayConstructor
+>findLastIndex : any
+>(item) => item === 0 : (item: any) => boolean
+>item : any
+>item === 0 : boolean
+>item : any
+>0 : 0
+
+new BigInt64Array().findLastIndex((item) => item === BigInt(0));
+>new BigInt64Array().findLastIndex((item) => item === BigInt(0)) : any
+>new BigInt64Array().findLastIndex : any
+>new BigInt64Array() : BigInt64Array
+>BigInt64Array : BigInt64ArrayConstructor
+>findLastIndex : any
+>(item) => item === BigInt(0) : (item: any) => boolean
+>item : any
+>item === BigInt(0) : boolean
+>item : any
+>BigInt(0) : bigint
+>BigInt : BigIntConstructor
+>0 : 0
+
+new BigUint64Array().findLastIndex((item) => item === BigInt(0));
+>new BigUint64Array().findLastIndex((item) => item === BigInt(0)) : any
+>new BigUint64Array().findLastIndex : any
+>new BigUint64Array() : BigUint64Array
+>BigUint64Array : BigUint64ArrayConstructor
+>findLastIndex : any
+>(item) => item === BigInt(0) : (item: any) => boolean
+>item : any
+>item === BigInt(0) : boolean
+>item : any
+>BigInt(0) : bigint
+>BigInt : BigIntConstructor
+>0 : 0
+
diff --git a/tests/baselines/reference/findLast(target=esnext).js b/tests/baselines/reference/findLast(target=esnext).js
new file mode 100644
index 0000000000000..b9ba7b1324b38
--- /dev/null
+++ b/tests/baselines/reference/findLast(target=esnext).js
@@ -0,0 +1,57 @@
+//// [findLast.ts]
+const itemNumber: number | undefined = [0].findLast((item) => item === 0);
+const itemString: string | undefined = ["string"].findLast((item) => item === "string");
+new Int8Array().findLast((item) => item === 0);
+new Uint8Array().findLast((item) => item === 0);
+new Uint8ClampedArray().findLast((item) => item === 0);
+new Int16Array().findLast((item) => item === 0);
+new Uint16Array().findLast((item) => item === 0);
+new Int32Array().findLast((item) => item === 0);
+new Uint32Array().findLast((item) => item === 0);
+new Float32Array().findLast((item) => item === 0);
+new Float64Array().findLast((item) => item === 0);
+new BigInt64Array().findLast((item) => item === BigInt(0));
+new BigUint64Array().findLast((item) => item === BigInt(0));
+
+const indexNumber: number = [0].findLastIndex((item) => item === 0);
+const indexString: number = ["string"].findLastIndex((item) => item === "string");
+new Int8Array().findLastIndex((item) => item === 0);
+new Uint8Array().findLastIndex((item) => item === 0);
+new Uint8ClampedArray().findLastIndex((item) => item === 0);
+new Int16Array().findLastIndex((item) => item === 0);
+new Uint16Array().findLastIndex((item) => item === 0);
+new Int32Array().findLastIndex((item) => item === 0);
+new Uint32Array().findLastIndex((item) => item === 0);
+new Float32Array().findLastIndex((item) => item === 0);
+new Float64Array().findLastIndex((item) => item === 0);
+new BigInt64Array().findLastIndex((item) => item === BigInt(0));
+new BigUint64Array().findLastIndex((item) => item === BigInt(0));
+
+
+//// [findLast.js]
+const itemNumber = [0].findLast((item) => item === 0);
+const itemString = ["string"].findLast((item) => item === "string");
+new Int8Array().findLast((item) => item === 0);
+new Uint8Array().findLast((item) => item === 0);
+new Uint8ClampedArray().findLast((item) => item === 0);
+new Int16Array().findLast((item) => item === 0);
+new Uint16Array().findLast((item) => item === 0);
+new Int32Array().findLast((item) => item === 0);
+new Uint32Array().findLast((item) => item === 0);
+new Float32Array().findLast((item) => item === 0);
+new Float64Array().findLast((item) => item === 0);
+new BigInt64Array().findLast((item) => item === BigInt(0));
+new BigUint64Array().findLast((item) => item === BigInt(0));
+const indexNumber = [0].findLastIndex((item) => item === 0);
+const indexString = ["string"].findLastIndex((item) => item === "string");
+new Int8Array().findLastIndex((item) => item === 0);
+new Uint8Array().findLastIndex((item) => item === 0);
+new Uint8ClampedArray().findLastIndex((item) => item === 0);
+new Int16Array().findLastIndex((item) => item === 0);
+new Uint16Array().findLastIndex((item) => item === 0);
+new Int32Array().findLastIndex((item) => item === 0);
+new Uint32Array().findLastIndex((item) => item === 0);
+new Float32Array().findLastIndex((item) => item === 0);
+new Float64Array().findLastIndex((item) => item === 0);
+new BigInt64Array().findLastIndex((item) => item === BigInt(0));
+new BigUint64Array().findLastIndex((item) => item === BigInt(0));
diff --git a/tests/baselines/reference/findLast(target=esnext).symbols b/tests/baselines/reference/findLast(target=esnext).symbols
new file mode 100644
index 0000000000000..e4340f479f988
--- /dev/null
+++ b/tests/baselines/reference/findLast(target=esnext).symbols
@@ -0,0 +1,187 @@
+=== tests/cases/compiler/findLast.ts ===
+const itemNumber: number | undefined = [0].findLast((item) => item === 0);
+>itemNumber : Symbol(itemNumber, Decl(findLast.ts, 0, 5))
+>[0].findLast : Symbol(Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>findLast : Symbol(Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 0, 53))
+>item : Symbol(item, Decl(findLast.ts, 0, 53))
+
+const itemString: string | undefined = ["string"].findLast((item) => item === "string");
+>itemString : Symbol(itemString, Decl(findLast.ts, 1, 5))
+>["string"].findLast : Symbol(Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>findLast : Symbol(Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 1, 60))
+>item : Symbol(item, Decl(findLast.ts, 1, 60))
+
+new Int8Array().findLast((item) => item === 0);
+>new Int8Array().findLast : Symbol(Int8Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>Int8Array : Symbol(Int8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLast : Symbol(Int8Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 2, 26))
+>item : Symbol(item, Decl(findLast.ts, 2, 26))
+
+new Uint8Array().findLast((item) => item === 0);
+>new Uint8Array().findLast : Symbol(Uint8Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>Uint8Array : Symbol(Uint8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLast : Symbol(Uint8Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 3, 27))
+>item : Symbol(item, Decl(findLast.ts, 3, 27))
+
+new Uint8ClampedArray().findLast((item) => item === 0);
+>new Uint8ClampedArray().findLast : Symbol(Uint8ClampedArray.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>Uint8ClampedArray : Symbol(Uint8ClampedArray, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLast : Symbol(Uint8ClampedArray.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 4, 34))
+>item : Symbol(item, Decl(findLast.ts, 4, 34))
+
+new Int16Array().findLast((item) => item === 0);
+>new Int16Array().findLast : Symbol(Int16Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>Int16Array : Symbol(Int16Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLast : Symbol(Int16Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 5, 27))
+>item : Symbol(item, Decl(findLast.ts, 5, 27))
+
+new Uint16Array().findLast((item) => item === 0);
+>new Uint16Array().findLast : Symbol(Uint16Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>Uint16Array : Symbol(Uint16Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLast : Symbol(Uint16Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 6, 28))
+>item : Symbol(item, Decl(findLast.ts, 6, 28))
+
+new Int32Array().findLast((item) => item === 0);
+>new Int32Array().findLast : Symbol(Int32Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>Int32Array : Symbol(Int32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLast : Symbol(Int32Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 7, 27))
+>item : Symbol(item, Decl(findLast.ts, 7, 27))
+
+new Uint32Array().findLast((item) => item === 0);
+>new Uint32Array().findLast : Symbol(Uint32Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>Uint32Array : Symbol(Uint32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLast : Symbol(Uint32Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 8, 28))
+>item : Symbol(item, Decl(findLast.ts, 8, 28))
+
+new Float32Array().findLast((item) => item === 0);
+>new Float32Array().findLast : Symbol(Float32Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>Float32Array : Symbol(Float32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLast : Symbol(Float32Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 9, 29))
+>item : Symbol(item, Decl(findLast.ts, 9, 29))
+
+new Float64Array().findLast((item) => item === 0);
+>new Float64Array().findLast : Symbol(Float64Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>Float64Array : Symbol(Float64Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLast : Symbol(Float64Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 10, 29))
+>item : Symbol(item, Decl(findLast.ts, 10, 29))
+
+new BigInt64Array().findLast((item) => item === BigInt(0));
+>new BigInt64Array().findLast : Symbol(BigInt64Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>BigInt64Array : Symbol(BigInt64Array, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2022.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>findLast : Symbol(BigInt64Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 11, 30))
+>item : Symbol(item, Decl(findLast.ts, 11, 30))
+>BigInt : Symbol(BigInt, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
+
+new BigUint64Array().findLast((item) => item === BigInt(0));
+>new BigUint64Array().findLast : Symbol(BigUint64Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>BigUint64Array : Symbol(BigUint64Array, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2022.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>findLast : Symbol(BigUint64Array.findLast, Decl(lib.es2023.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 12, 31))
+>item : Symbol(item, Decl(findLast.ts, 12, 31))
+>BigInt : Symbol(BigInt, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
+
+const indexNumber: number = [0].findLastIndex((item) => item === 0);
+>indexNumber : Symbol(indexNumber, Decl(findLast.ts, 14, 5))
+>[0].findLastIndex : Symbol(Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>findLastIndex : Symbol(Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 14, 47))
+>item : Symbol(item, Decl(findLast.ts, 14, 47))
+
+const indexString: number = ["string"].findLastIndex((item) => item === "string");
+>indexString : Symbol(indexString, Decl(findLast.ts, 15, 5))
+>["string"].findLastIndex : Symbol(Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>findLastIndex : Symbol(Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 15, 54))
+>item : Symbol(item, Decl(findLast.ts, 15, 54))
+
+new Int8Array().findLastIndex((item) => item === 0);
+>new Int8Array().findLastIndex : Symbol(Int8Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>Int8Array : Symbol(Int8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLastIndex : Symbol(Int8Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 16, 31))
+>item : Symbol(item, Decl(findLast.ts, 16, 31))
+
+new Uint8Array().findLastIndex((item) => item === 0);
+>new Uint8Array().findLastIndex : Symbol(Uint8Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>Uint8Array : Symbol(Uint8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLastIndex : Symbol(Uint8Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 17, 32))
+>item : Symbol(item, Decl(findLast.ts, 17, 32))
+
+new Uint8ClampedArray().findLastIndex((item) => item === 0);
+>new Uint8ClampedArray().findLastIndex : Symbol(Uint8ClampedArray.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>Uint8ClampedArray : Symbol(Uint8ClampedArray, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLastIndex : Symbol(Uint8ClampedArray.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 18, 39))
+>item : Symbol(item, Decl(findLast.ts, 18, 39))
+
+new Int16Array().findLastIndex((item) => item === 0);
+>new Int16Array().findLastIndex : Symbol(Int16Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>Int16Array : Symbol(Int16Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLastIndex : Symbol(Int16Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 19, 32))
+>item : Symbol(item, Decl(findLast.ts, 19, 32))
+
+new Uint16Array().findLastIndex((item) => item === 0);
+>new Uint16Array().findLastIndex : Symbol(Uint16Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>Uint16Array : Symbol(Uint16Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLastIndex : Symbol(Uint16Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 20, 33))
+>item : Symbol(item, Decl(findLast.ts, 20, 33))
+
+new Int32Array().findLastIndex((item) => item === 0);
+>new Int32Array().findLastIndex : Symbol(Int32Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>Int32Array : Symbol(Int32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLastIndex : Symbol(Int32Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 21, 32))
+>item : Symbol(item, Decl(findLast.ts, 21, 32))
+
+new Uint32Array().findLastIndex((item) => item === 0);
+>new Uint32Array().findLastIndex : Symbol(Uint32Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>Uint32Array : Symbol(Uint32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLastIndex : Symbol(Uint32Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 22, 33))
+>item : Symbol(item, Decl(findLast.ts, 22, 33))
+
+new Float32Array().findLastIndex((item) => item === 0);
+>new Float32Array().findLastIndex : Symbol(Float32Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>Float32Array : Symbol(Float32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLastIndex : Symbol(Float32Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 23, 34))
+>item : Symbol(item, Decl(findLast.ts, 23, 34))
+
+new Float64Array().findLastIndex((item) => item === 0);
+>new Float64Array().findLastIndex : Symbol(Float64Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>Float64Array : Symbol(Float64Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2016.array.include.d.ts, --, --) ... and 2 more)
+>findLastIndex : Symbol(Float64Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 24, 34))
+>item : Symbol(item, Decl(findLast.ts, 24, 34))
+
+new BigInt64Array().findLastIndex((item) => item === BigInt(0));
+>new BigInt64Array().findLastIndex : Symbol(BigInt64Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>BigInt64Array : Symbol(BigInt64Array, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2022.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>findLastIndex : Symbol(BigInt64Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 25, 35))
+>item : Symbol(item, Decl(findLast.ts, 25, 35))
+>BigInt : Symbol(BigInt, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
+
+new BigUint64Array().findLastIndex((item) => item === BigInt(0));
+>new BigUint64Array().findLastIndex : Symbol(BigUint64Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>BigUint64Array : Symbol(BigUint64Array, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2022.array.d.ts, --, --), Decl(lib.es2023.array.d.ts, --, --))
+>findLastIndex : Symbol(BigUint64Array.findLastIndex, Decl(lib.es2023.array.d.ts, --, --))
+>item : Symbol(item, Decl(findLast.ts, 26, 36))
+>item : Symbol(item, Decl(findLast.ts, 26, 36))
+>BigInt : Symbol(BigInt, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
+
diff --git a/tests/baselines/reference/findLast(target=esnext).types b/tests/baselines/reference/findLast(target=esnext).types
new file mode 100644
index 0000000000000..e3881545e053a
--- /dev/null
+++ b/tests/baselines/reference/findLast(target=esnext).types
@@ -0,0 +1,325 @@
+=== tests/cases/compiler/findLast.ts ===
+const itemNumber: number | undefined = [0].findLast((item) => item === 0);
+>itemNumber : number
+>[0].findLast((item) => item === 0) : number
+>[0].findLast : { <S extends number>(predicate: (value: number, index: number, array: number[]) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: number[]) => unknown, thisArg?: any): number; }
+>[0] : number[]
+>0 : 0
+>findLast : { <S extends number>(predicate: (value: number, index: number, array: number[]) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: number[]) => unknown, thisArg?: any): number; }
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+const itemString: string | undefined = ["string"].findLast((item) => item === "string");
+>itemString : string
+>["string"].findLast((item) => item === "string") : string
+>["string"].findLast : { <S extends string>(predicate: (value: string, index: number, array: string[]) => value is S, thisArg?: any): S; (predicate: (value: string, index: number, array: string[]) => unknown, thisArg?: any): string; }
+>["string"] : string[]
+>"string" : "string"
+>findLast : { <S extends string>(predicate: (value: string, index: number, array: string[]) => value is S, thisArg?: any): S; (predicate: (value: string, index: number, array: string[]) => unknown, thisArg?: any): string; }
+>(item) => item === "string" : (item: string) => boolean
+>item : string
+>item === "string" : boolean
+>item : string
+>"string" : "string"
+
+new Int8Array().findLast((item) => item === 0);
+>new Int8Array().findLast((item) => item === 0) : number
+>new Int8Array().findLast : { <S extends number>(predicate: (value: number, index: number, array: Int8Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Int8Array) => unknown, thisArg?: any): number; }
+>new Int8Array() : Int8Array
+>Int8Array : Int8ArrayConstructor
+>findLast : { <S extends number>(predicate: (value: number, index: number, array: Int8Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Int8Array) => unknown, thisArg?: any): number; }
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Uint8Array().findLast((item) => item === 0);
+>new Uint8Array().findLast((item) => item === 0) : number
+>new Uint8Array().findLast : { <S extends number>(predicate: (value: number, index: number, array: Uint8Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Uint8Array) => unknown, thisArg?: any): number; }
+>new Uint8Array() : Uint8Array
+>Uint8Array : Uint8ArrayConstructor
+>findLast : { <S extends number>(predicate: (value: number, index: number, array: Uint8Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Uint8Array) => unknown, thisArg?: any): number; }
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Uint8ClampedArray().findLast((item) => item === 0);
+>new Uint8ClampedArray().findLast((item) => item === 0) : number
+>new Uint8ClampedArray().findLast : { <S extends number>(predicate: (value: number, index: number, array: Uint8ClampedArray) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Uint8ClampedArray) => unknown, thisArg?: any): number; }
+>new Uint8ClampedArray() : Uint8ClampedArray
+>Uint8ClampedArray : Uint8ClampedArrayConstructor
+>findLast : { <S extends number>(predicate: (value: number, index: number, array: Uint8ClampedArray) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Uint8ClampedArray) => unknown, thisArg?: any): number; }
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Int16Array().findLast((item) => item === 0);
+>new Int16Array().findLast((item) => item === 0) : number
+>new Int16Array().findLast : { <S extends number>(predicate: (value: number, index: number, array: Int16Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Int16Array) => unknown, thisArg?: any): number; }
+>new Int16Array() : Int16Array
+>Int16Array : Int16ArrayConstructor
+>findLast : { <S extends number>(predicate: (value: number, index: number, array: Int16Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Int16Array) => unknown, thisArg?: any): number; }
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Uint16Array().findLast((item) => item === 0);
+>new Uint16Array().findLast((item) => item === 0) : number
+>new Uint16Array().findLast : { <S extends number>(predicate: (value: number, index: number, array: Uint16Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Uint16Array) => unknown, thisArg?: any): number; }
+>new Uint16Array() : Uint16Array
+>Uint16Array : Uint16ArrayConstructor
+>findLast : { <S extends number>(predicate: (value: number, index: number, array: Uint16Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Uint16Array) => unknown, thisArg?: any): number; }
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Int32Array().findLast((item) => item === 0);
+>new Int32Array().findLast((item) => item === 0) : number
+>new Int32Array().findLast : { <S extends number>(predicate: (value: number, index: number, array: Int32Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Int32Array) => unknown, thisArg?: any): number; }
+>new Int32Array() : Int32Array
+>Int32Array : Int32ArrayConstructor
+>findLast : { <S extends number>(predicate: (value: number, index: number, array: Int32Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Int32Array) => unknown, thisArg?: any): number; }
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Uint32Array().findLast((item) => item === 0);
+>new Uint32Array().findLast((item) => item === 0) : number
+>new Uint32Array().findLast : { <S extends number>(predicate: (value: number, index: number, array: Uint32Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Uint32Array) => unknown, thisArg?: any): number; }
+>new Uint32Array() : Uint32Array
+>Uint32Array : Uint32ArrayConstructor
+>findLast : { <S extends number>(predicate: (value: number, index: number, array: Uint32Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Uint32Array) => unknown, thisArg?: any): number; }
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Float32Array().findLast((item) => item === 0);
+>new Float32Array().findLast((item) => item === 0) : number
+>new Float32Array().findLast : { <S extends number>(predicate: (value: number, index: number, array: Float32Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Float32Array) => unknown, thisArg?: any): number; }
+>new Float32Array() : Float32Array
+>Float32Array : Float32ArrayConstructor
+>findLast : { <S extends number>(predicate: (value: number, index: number, array: Float32Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Float32Array) => unknown, thisArg?: any): number; }
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Float64Array().findLast((item) => item === 0);
+>new Float64Array().findLast((item) => item === 0) : number
+>new Float64Array().findLast : { <S extends number>(predicate: (value: number, index: number, array: Float64Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Float64Array) => unknown, thisArg?: any): number; }
+>new Float64Array() : Float64Array
+>Float64Array : Float64ArrayConstructor
+>findLast : { <S extends number>(predicate: (value: number, index: number, array: Float64Array) => value is S, thisArg?: any): S; (predicate: (value: number, index: number, array: Float64Array) => unknown, thisArg?: any): number; }
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new BigInt64Array().findLast((item) => item === BigInt(0));
+>new BigInt64Array().findLast((item) => item === BigInt(0)) : bigint
+>new BigInt64Array().findLast : { <S extends bigint>(predicate: (value: bigint, index: number, array: BigInt64Array) => value is S, thisArg?: any): S; (predicate: (value: bigint, index: number, array: BigInt64Array) => unknown, thisArg?: any): bigint; }
+>new BigInt64Array() : BigInt64Array
+>BigInt64Array : BigInt64ArrayConstructor
+>findLast : { <S extends bigint>(predicate: (value: bigint, index: number, array: BigInt64Array) => value is S, thisArg?: any): S; (predicate: (value: bigint, index: number, array: BigInt64Array) => unknown, thisArg?: any): bigint; }
+>(item) => item === BigInt(0) : (item: bigint) => boolean
+>item : bigint
+>item === BigInt(0) : boolean
+>item : bigint
+>BigInt(0) : bigint
+>BigInt : BigIntConstructor
+>0 : 0
+
+new BigUint64Array().findLast((item) => item === BigInt(0));
+>new BigUint64Array().findLast((item) => item === BigInt(0)) : bigint
+>new BigUint64Array().findLast : { <S extends bigint>(predicate: (value: bigint, index: number, array: BigUint64Array) => value is S, thisArg?: any): S; (predicate: (value: bigint, index: number, array: BigUint64Array) => unknown, thisArg?: any): bigint; }
+>new BigUint64Array() : BigUint64Array
+>BigUint64Array : BigUint64ArrayConstructor
+>findLast : { <S extends bigint>(predicate: (value: bigint, index: number, array: BigUint64Array) => value is S, thisArg?: any): S; (predicate: (value: bigint, index: number, array: BigUint64Array) => unknown, thisArg?: any): bigint; }
+>(item) => item === BigInt(0) : (item: bigint) => boolean
+>item : bigint
+>item === BigInt(0) : boolean
+>item : bigint
+>BigInt(0) : bigint
+>BigInt : BigIntConstructor
+>0 : 0
+
+const indexNumber: number = [0].findLastIndex((item) => item === 0);
+>indexNumber : number
+>[0].findLastIndex((item) => item === 0) : number
+>[0].findLastIndex : (predicate: (value: number, index: number, array: number[]) => unknown, thisArg?: any) => number
+>[0] : number[]
+>0 : 0
+>findLastIndex : (predicate: (value: number, index: number, array: number[]) => unknown, thisArg?: any) => number
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+const indexString: number = ["string"].findLastIndex((item) => item === "string");
+>indexString : number
+>["string"].findLastIndex((item) => item === "string") : number
+>["string"].findLastIndex : (predicate: (value: string, index: number, array: string[]) => unknown, thisArg?: any) => number
+>["string"] : string[]
+>"string" : "string"
+>findLastIndex : (predicate: (value: string, index: number, array: string[]) => unknown, thisArg?: any) => number
+>(item) => item === "string" : (item: string) => boolean
+>item : string
+>item === "string" : boolean
+>item : string
+>"string" : "string"
+
+new Int8Array().findLastIndex((item) => item === 0);
+>new Int8Array().findLastIndex((item) => item === 0) : number
+>new Int8Array().findLastIndex : (predicate: (value: number, index: number, array: Int8Array) => unknown, thisArg?: any) => number
+>new Int8Array() : Int8Array
+>Int8Array : Int8ArrayConstructor
+>findLastIndex : (predicate: (value: number, index: number, array: Int8Array) => unknown, thisArg?: any) => number
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Uint8Array().findLastIndex((item) => item === 0);
+>new Uint8Array().findLastIndex((item) => item === 0) : number
+>new Uint8Array().findLastIndex : (predicate: (value: number, index: number, array: Uint8Array) => unknown, thisArg?: any) => number
+>new Uint8Array() : Uint8Array
+>Uint8Array : Uint8ArrayConstructor
+>findLastIndex : (predicate: (value: number, index: number, array: Uint8Array) => unknown, thisArg?: any) => number
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Uint8ClampedArray().findLastIndex((item) => item === 0);
+>new Uint8ClampedArray().findLastIndex((item) => item === 0) : number
+>new Uint8ClampedArray().findLastIndex : (predicate: (value: number, index: number, array: Uint8ClampedArray) => unknown, thisArg?: any) => number
+>new Uint8ClampedArray() : Uint8ClampedArray
+>Uint8ClampedArray : Uint8ClampedArrayConstructor
+>findLastIndex : (predicate: (value: number, index: number, array: Uint8ClampedArray) => unknown, thisArg?: any) => number
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Int16Array().findLastIndex((item) => item === 0);
+>new Int16Array().findLastIndex((item) => item === 0) : number
+>new Int16Array().findLastIndex : (predicate: (value: number, index: number, array: Int16Array) => unknown, thisArg?: any) => number
+>new Int16Array() : Int16Array
+>Int16Array : Int16ArrayConstructor
+>findLastIndex : (predicate: (value: number, index: number, array: Int16Array) => unknown, thisArg?: any) => number
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Uint16Array().findLastIndex((item) => item === 0);
+>new Uint16Array().findLastIndex((item) => item === 0) : number
+>new Uint16Array().findLastIndex : (predicate: (value: number, index: number, array: Uint16Array) => unknown, thisArg?: any) => number
+>new Uint16Array() : Uint16Array
+>Uint16Array : Uint16ArrayConstructor
+>findLastIndex : (predicate: (value: number, index: number, array: Uint16Array) => unknown, thisArg?: any) => number
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Int32Array().findLastIndex((item) => item === 0);
+>new Int32Array().findLastIndex((item) => item === 0) : number
+>new Int32Array().findLastIndex : (predicate: (value: number, index: number, array: Int32Array) => unknown, thisArg?: any) => number
+>new Int32Array() : Int32Array
+>Int32Array : Int32ArrayConstructor
+>findLastIndex : (predicate: (value: number, index: number, array: Int32Array) => unknown, thisArg?: any) => number
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Uint32Array().findLastIndex((item) => item === 0);
+>new Uint32Array().findLastIndex((item) => item === 0) : number
+>new Uint32Array().findLastIndex : (predicate: (value: number, index: number, array: Uint32Array) => unknown, thisArg?: any) => number
+>new Uint32Array() : Uint32Array
+>Uint32Array : Uint32ArrayConstructor
+>findLastIndex : (predicate: (value: number, index: number, array: Uint32Array) => unknown, thisArg?: any) => number
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Float32Array().findLastIndex((item) => item === 0);
+>new Float32Array().findLastIndex((item) => item === 0) : number
+>new Float32Array().findLastIndex : (predicate: (value: number, index: number, array: Float32Array) => unknown, thisArg?: any) => number
+>new Float32Array() : Float32Array
+>Float32Array : Float32ArrayConstructor
+>findLastIndex : (predicate: (value: number, index: number, array: Float32Array) => unknown, thisArg?: any) => number
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new Float64Array().findLastIndex((item) => item === 0);
+>new Float64Array().findLastIndex((item) => item === 0) : number
+>new Float64Array().findLastIndex : (predicate: (value: number, index: number, array: Float64Array) => unknown, thisArg?: any) => number
+>new Float64Array() : Float64Array
+>Float64Array : Float64ArrayConstructor
+>findLastIndex : (predicate: (value: number, index: number, array: Float64Array) => unknown, thisArg?: any) => number
+>(item) => item === 0 : (item: number) => boolean
+>item : number
+>item === 0 : boolean
+>item : number
+>0 : 0
+
+new BigInt64Array().findLastIndex((item) => item === BigInt(0));
+>new BigInt64Array().findLastIndex((item) => item === BigInt(0)) : number
+>new BigInt64Array().findLastIndex : (predicate: (value: bigint, index: number, array: BigInt64Array) => unknown, thisArg?: any) => number
+>new BigInt64Array() : BigInt64Array
+>BigInt64Array : BigInt64ArrayConstructor
+>findLastIndex : (predicate: (value: bigint, index: number, array: BigInt64Array) => unknown, thisArg?: any) => number
+>(item) => item === BigInt(0) : (item: bigint) => boolean
+>item : bigint
+>item === BigInt(0) : boolean
+>item : bigint
+>BigInt(0) : bigint
+>BigInt : BigIntConstructor
+>0 : 0
+
+new BigUint64Array().findLastIndex((item) => item === BigInt(0));
+>new BigUint64Array().findLastIndex((item) => item === BigInt(0)) : number
+>new BigUint64Array().findLastIndex : (predicate: (value: bigint, index: number, array: BigUint64Array) => unknown, thisArg?: any) => number
+>new BigUint64Array() : BigUint64Array
+>BigUint64Array : BigUint64ArrayConstructor
+>findLastIndex : (predicate: (value: bigint, index: number, array: BigUint64Array) => unknown, thisArg?: any) => number
+>(item) => item === BigInt(0) : (item: bigint) => boolean
+>item : bigint
+>item === BigInt(0) : boolean
+>item : bigint
+>BigInt(0) : bigint
+>BigInt : BigIntConstructor
+>0 : 0
+
diff --git a/tests/cases/compiler/findLast.ts b/tests/cases/compiler/findLast.ts
index cba155e6c6b6d..ad0bddfb092c0 100644
--- a/tests/cases/compiler/findLast.ts
+++ b/tests/cases/compiler/findLast.ts
@@ -1,4 +1,4 @@
-// @target: esnext
+// @target: esnext, es2022
 
 const itemNumber: number | undefined = [0].findLast((item) => item === 0);
 const itemString: string | undefined = ["string"].findLast((item) => item === "string");