diff --git a/tests/baselines/reference/awaitedType.errors.txt b/tests/baselines/reference/awaitedType.errors.txt
index 3f220944813ac..a5e986b669c1c 100644
--- a/tests/baselines/reference/awaitedType.errors.txt
+++ b/tests/baselines/reference/awaitedType.errors.txt
@@ -191,4 +191,47 @@ tests/cases/compiler/awaitedType.ts(26,12): error TS2589: Type instantiation is
     async function brokenExample<AcceptableKeyType extends string = string>(structurePromise: Promise<GenericStructure<AcceptableKeyType>>, key: AcceptableKeyType): Promise<void> {
       const structure = await structurePromise;
       structure[key] = 1;
-    }
\ No newline at end of file
+    }
+    
+    // repro from #46543
+    
+    type SelectAndInclude = {
+      select: any;
+      include: any;
+    };
+    type HasSelect = {
+      select: any;
+    };
+    type HasInclude = {
+      include: any;
+    };
+    
+    type CheckSelect<T, S, U> = T extends SelectAndInclude
+      ? "Please either choose `select` or `include`"
+      : T extends HasSelect
+      ? U
+      : T extends HasInclude
+      ? U
+      : S;
+    
+    declare function findMany<T extends { select?: string; include?: string }>(
+      args: T
+    ): CheckSelect<T, Promise<1>, Promise<2>>;
+    
+    async function findManyWrapper<
+      T extends { select?: string; include?: string }
+    >(args: T) {
+      const result = await findMany(args);
+      return result;
+    }
+    
+    async function mainFindMany() {
+      const shouldBeErrorText = await findManyWrapper({
+        select: "foo",
+        include: "bar",
+      });
+      const itsOne = await findManyWrapper({});
+      const itsTwo1 = await findManyWrapper({ select: "foo" });
+      const itsTwo2 = await findManyWrapper({ include: "bar" });
+    }
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/awaitedType.js b/tests/baselines/reference/awaitedType.js
index ad173ae256aae..0581f4b574239 100644
--- a/tests/baselines/reference/awaitedType.js
+++ b/tests/baselines/reference/awaitedType.js
@@ -183,7 +183,50 @@ type GenericStructure<
 async function brokenExample<AcceptableKeyType extends string = string>(structurePromise: Promise<GenericStructure<AcceptableKeyType>>, key: AcceptableKeyType): Promise<void> {
   const structure = await structurePromise;
   structure[key] = 1;
-}
+}
+
+// repro from #46543
+
+type SelectAndInclude = {
+  select: any;
+  include: any;
+};
+type HasSelect = {
+  select: any;
+};
+type HasInclude = {
+  include: any;
+};
+
+type CheckSelect<T, S, U> = T extends SelectAndInclude
+  ? "Please either choose `select` or `include`"
+  : T extends HasSelect
+  ? U
+  : T extends HasInclude
+  ? U
+  : S;
+
+declare function findMany<T extends { select?: string; include?: string }>(
+  args: T
+): CheckSelect<T, Promise<1>, Promise<2>>;
+
+async function findManyWrapper<
+  T extends { select?: string; include?: string }
+>(args: T) {
+  const result = await findMany(args);
+  return result;
+}
+
+async function mainFindMany() {
+  const shouldBeErrorText = await findManyWrapper({
+    select: "foo",
+    include: "bar",
+  });
+  const itsOne = await findManyWrapper({});
+  const itsTwo1 = await findManyWrapper({ select: "foo" });
+  const itsTwo2 = await findManyWrapper({ include: "bar" });
+}
+
 
 //// [awaitedType.js]
 async function main() {
@@ -299,3 +342,16 @@ async function brokenExample(structurePromise, key) {
     const structure = await structurePromise;
     structure[key] = 1;
 }
+async function findManyWrapper(args) {
+    const result = await findMany(args);
+    return result;
+}
+async function mainFindMany() {
+    const shouldBeErrorText = await findManyWrapper({
+        select: "foo",
+        include: "bar",
+    });
+    const itsOne = await findManyWrapper({});
+    const itsTwo1 = await findManyWrapper({ select: "foo" });
+    const itsTwo2 = await findManyWrapper({ include: "bar" });
+}
diff --git a/tests/baselines/reference/awaitedType.symbols b/tests/baselines/reference/awaitedType.symbols
index 22cc25239f6df..5ca8540585d13 100644
--- a/tests/baselines/reference/awaitedType.symbols
+++ b/tests/baselines/reference/awaitedType.symbols
@@ -476,3 +476,123 @@ async function brokenExample<AcceptableKeyType extends string = string>(structur
 >structure : Symbol(structure, Decl(awaitedType.ts, 182, 7))
 >key : Symbol(key, Decl(awaitedType.ts, 181, 135))
 }
+
+// repro from #46543
+
+type SelectAndInclude = {
+>SelectAndInclude : Symbol(SelectAndInclude, Decl(awaitedType.ts, 184, 1))
+
+  select: any;
+>select : Symbol(select, Decl(awaitedType.ts, 188, 25))
+
+  include: any;
+>include : Symbol(include, Decl(awaitedType.ts, 189, 14))
+
+};
+type HasSelect = {
+>HasSelect : Symbol(HasSelect, Decl(awaitedType.ts, 191, 2))
+
+  select: any;
+>select : Symbol(select, Decl(awaitedType.ts, 192, 18))
+
+};
+type HasInclude = {
+>HasInclude : Symbol(HasInclude, Decl(awaitedType.ts, 194, 2))
+
+  include: any;
+>include : Symbol(include, Decl(awaitedType.ts, 195, 19))
+
+};
+
+type CheckSelect<T, S, U> = T extends SelectAndInclude
+>CheckSelect : Symbol(CheckSelect, Decl(awaitedType.ts, 197, 2))
+>T : Symbol(T, Decl(awaitedType.ts, 199, 17))
+>S : Symbol(S, Decl(awaitedType.ts, 199, 19))
+>U : Symbol(U, Decl(awaitedType.ts, 199, 22))
+>T : Symbol(T, Decl(awaitedType.ts, 199, 17))
+>SelectAndInclude : Symbol(SelectAndInclude, Decl(awaitedType.ts, 184, 1))
+
+  ? "Please either choose `select` or `include`"
+  : T extends HasSelect
+>T : Symbol(T, Decl(awaitedType.ts, 199, 17))
+>HasSelect : Symbol(HasSelect, Decl(awaitedType.ts, 191, 2))
+
+  ? U
+>U : Symbol(U, Decl(awaitedType.ts, 199, 22))
+
+  : T extends HasInclude
+>T : Symbol(T, Decl(awaitedType.ts, 199, 17))
+>HasInclude : Symbol(HasInclude, Decl(awaitedType.ts, 194, 2))
+
+  ? U
+>U : Symbol(U, Decl(awaitedType.ts, 199, 22))
+
+  : S;
+>S : Symbol(S, Decl(awaitedType.ts, 199, 19))
+
+declare function findMany<T extends { select?: string; include?: string }>(
+>findMany : Symbol(findMany, Decl(awaitedType.ts, 205, 6))
+>T : Symbol(T, Decl(awaitedType.ts, 207, 26))
+>select : Symbol(select, Decl(awaitedType.ts, 207, 37))
+>include : Symbol(include, Decl(awaitedType.ts, 207, 54))
+
+  args: T
+>args : Symbol(args, Decl(awaitedType.ts, 207, 75))
+>T : Symbol(T, Decl(awaitedType.ts, 207, 26))
+
+): CheckSelect<T, Promise<1>, Promise<2>>;
+>CheckSelect : Symbol(CheckSelect, Decl(awaitedType.ts, 197, 2))
+>T : Symbol(T, Decl(awaitedType.ts, 207, 26))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
+
+async function findManyWrapper<
+>findManyWrapper : Symbol(findManyWrapper, Decl(awaitedType.ts, 209, 42))
+
+  T extends { select?: string; include?: string }
+>T : Symbol(T, Decl(awaitedType.ts, 211, 31))
+>select : Symbol(select, Decl(awaitedType.ts, 212, 13))
+>include : Symbol(include, Decl(awaitedType.ts, 212, 30))
+
+>(args: T) {
+>args : Symbol(args, Decl(awaitedType.ts, 213, 2))
+>T : Symbol(T, Decl(awaitedType.ts, 211, 31))
+
+  const result = await findMany(args);
+>result : Symbol(result, Decl(awaitedType.ts, 214, 7))
+>findMany : Symbol(findMany, Decl(awaitedType.ts, 205, 6))
+>args : Symbol(args, Decl(awaitedType.ts, 213, 2))
+
+  return result;
+>result : Symbol(result, Decl(awaitedType.ts, 214, 7))
+}
+
+async function mainFindMany() {
+>mainFindMany : Symbol(mainFindMany, Decl(awaitedType.ts, 216, 1))
+
+  const shouldBeErrorText = await findManyWrapper({
+>shouldBeErrorText : Symbol(shouldBeErrorText, Decl(awaitedType.ts, 219, 7))
+>findManyWrapper : Symbol(findManyWrapper, Decl(awaitedType.ts, 209, 42))
+
+    select: "foo",
+>select : Symbol(select, Decl(awaitedType.ts, 219, 51))
+
+    include: "bar",
+>include : Symbol(include, Decl(awaitedType.ts, 220, 18))
+
+  });
+  const itsOne = await findManyWrapper({});
+>itsOne : Symbol(itsOne, Decl(awaitedType.ts, 223, 7))
+>findManyWrapper : Symbol(findManyWrapper, Decl(awaitedType.ts, 209, 42))
+
+  const itsTwo1 = await findManyWrapper({ select: "foo" });
+>itsTwo1 : Symbol(itsTwo1, Decl(awaitedType.ts, 224, 7))
+>findManyWrapper : Symbol(findManyWrapper, Decl(awaitedType.ts, 209, 42))
+>select : Symbol(select, Decl(awaitedType.ts, 224, 41))
+
+  const itsTwo2 = await findManyWrapper({ include: "bar" });
+>itsTwo2 : Symbol(itsTwo2, Decl(awaitedType.ts, 225, 7))
+>findManyWrapper : Symbol(findManyWrapper, Decl(awaitedType.ts, 209, 42))
+>include : Symbol(include, Decl(awaitedType.ts, 225, 41))
+}
+
diff --git a/tests/baselines/reference/awaitedType.types b/tests/baselines/reference/awaitedType.types
index dbb26ef164eff..0cd1c4ed4c852 100644
--- a/tests/baselines/reference/awaitedType.types
+++ b/tests/baselines/reference/awaitedType.types
@@ -428,3 +428,117 @@ async function brokenExample<AcceptableKeyType extends string = string>(structur
 >key : AcceptableKeyType
 >1 : 1
 }
+
+// repro from #46543
+
+type SelectAndInclude = {
+>SelectAndInclude : { select: any; include: any; }
+
+  select: any;
+>select : any
+
+  include: any;
+>include : any
+
+};
+type HasSelect = {
+>HasSelect : { select: any; }
+
+  select: any;
+>select : any
+
+};
+type HasInclude = {
+>HasInclude : { include: any; }
+
+  include: any;
+>include : any
+
+};
+
+type CheckSelect<T, S, U> = T extends SelectAndInclude
+>CheckSelect : CheckSelect<T, S, U>
+
+  ? "Please either choose `select` or `include`"
+  : T extends HasSelect
+  ? U
+  : T extends HasInclude
+  ? U
+  : S;
+
+declare function findMany<T extends { select?: string; include?: string }>(
+>findMany : <T extends { select?: string; include?: string; }>(args: T) => CheckSelect<T, Promise<1>, Promise<2>>
+>select : string
+>include : string
+
+  args: T
+>args : T
+
+): CheckSelect<T, Promise<1>, Promise<2>>;
+
+async function findManyWrapper<
+>findManyWrapper : <T extends { select?: string; include?: string; }>(args: T) => Promise<CheckSelect<T, Promise<1>, Promise<2>>>
+
+  T extends { select?: string; include?: string }
+>select : string
+>include : string
+
+>(args: T) {
+>args : T
+
+  const result = await findMany(args);
+>result : Awaited<CheckSelect<T, Promise<1>, Promise<2>>>
+>await findMany(args) : Awaited<CheckSelect<T, Promise<1>, Promise<2>>>
+>findMany(args) : CheckSelect<T, Promise<1>, Promise<2>>
+>findMany : <T extends { select?: string; include?: string; }>(args: T) => CheckSelect<T, Promise<1>, Promise<2>>
+>args : T
+
+  return result;
+>result : Awaited<CheckSelect<T, Promise<1>, Promise<2>>>
+}
+
+async function mainFindMany() {
+>mainFindMany : () => Promise<void>
+
+  const shouldBeErrorText = await findManyWrapper({
+>shouldBeErrorText : "Please either choose `select` or `include`"
+>await findManyWrapper({    select: "foo",    include: "bar",  }) : "Please either choose `select` or `include`"
+>findManyWrapper({    select: "foo",    include: "bar",  }) : Promise<"Please either choose `select` or `include`">
+>findManyWrapper : <T extends { select?: string; include?: string; }>(args: T) => Promise<CheckSelect<T, Promise<1>, Promise<2>>>
+>{    select: "foo",    include: "bar",  } : { select: string; include: string; }
+
+    select: "foo",
+>select : string
+>"foo" : "foo"
+
+    include: "bar",
+>include : string
+>"bar" : "bar"
+
+  });
+  const itsOne = await findManyWrapper({});
+>itsOne : 1
+>await findManyWrapper({}) : 1
+>findManyWrapper({}) : Promise<Promise<1>>
+>findManyWrapper : <T extends { select?: string; include?: string; }>(args: T) => Promise<CheckSelect<T, Promise<1>, Promise<2>>>
+>{} : {}
+
+  const itsTwo1 = await findManyWrapper({ select: "foo" });
+>itsTwo1 : 2
+>await findManyWrapper({ select: "foo" }) : 2
+>findManyWrapper({ select: "foo" }) : Promise<Promise<2>>
+>findManyWrapper : <T extends { select?: string; include?: string; }>(args: T) => Promise<CheckSelect<T, Promise<1>, Promise<2>>>
+>{ select: "foo" } : { select: string; }
+>select : string
+>"foo" : "foo"
+
+  const itsTwo2 = await findManyWrapper({ include: "bar" });
+>itsTwo2 : 2
+>await findManyWrapper({ include: "bar" }) : 2
+>findManyWrapper({ include: "bar" }) : Promise<Promise<2>>
+>findManyWrapper : <T extends { select?: string; include?: string; }>(args: T) => Promise<CheckSelect<T, Promise<1>, Promise<2>>>
+>{ include: "bar" } : { include: string; }
+>include : string
+>"bar" : "bar"
+}
+
diff --git a/tests/cases/compiler/awaitedType.ts b/tests/cases/compiler/awaitedType.ts
index 273921e0ddaf5..79c30c090f084 100644
--- a/tests/cases/compiler/awaitedType.ts
+++ b/tests/cases/compiler/awaitedType.ts
@@ -185,4 +185,46 @@ type GenericStructure<
 async function brokenExample<AcceptableKeyType extends string = string>(structurePromise: Promise<GenericStructure<AcceptableKeyType>>, key: AcceptableKeyType): Promise<void> {
   const structure = await structurePromise;
   structure[key] = 1;
-}
\ No newline at end of file
+}
+
+// repro from #46543
+
+type SelectAndInclude = {
+  select: any;
+  include: any;
+};
+type HasSelect = {
+  select: any;
+};
+type HasInclude = {
+  include: any;
+};
+
+type CheckSelect<T, S, U> = T extends SelectAndInclude
+  ? "Please either choose `select` or `include`"
+  : T extends HasSelect
+  ? U
+  : T extends HasInclude
+  ? U
+  : S;
+
+declare function findMany<T extends { select?: string; include?: string }>(
+  args: T
+): CheckSelect<T, Promise<1>, Promise<2>>;
+
+async function findManyWrapper<
+  T extends { select?: string; include?: string }
+>(args: T) {
+  const result = await findMany(args);
+  return result;
+}
+
+async function mainFindMany() {
+  const shouldBeErrorText = await findManyWrapper({
+    select: "foo",
+    include: "bar",
+  });
+  const itsOne = await findManyWrapper({});
+  const itsTwo1 = await findManyWrapper({ select: "foo" });
+  const itsTwo2 = await findManyWrapper({ include: "bar" });
+}