diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 74df10112cd5a..b4be53c2d50f3 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -12767,18 +12767,18 @@ namespace ts {
             // We attempt to resolve the conditional type only when the check and extends types are non-generic
             if (!checkTypeInstantiable && !isGenericObjectType(inferredExtendsType) && !isGenericIndexType(inferredExtendsType)) {
                 if (inferredExtendsType.flags & TypeFlags.AnyOrUnknown) {
-                    return instantiateType(root.trueType, combinedMapper || mapper);
+                    return instantiateTypeWithoutDepthIncrease(root.trueType, combinedMapper || mapper);
                 }
                 // Return union of trueType and falseType for 'any' since it matches anything
                 if (checkType.flags & TypeFlags.Any) {
-                    return getUnionType([instantiateType(root.trueType, combinedMapper || mapper), instantiateType(root.falseType, mapper)]);
+                    return getUnionType([instantiateTypeWithoutDepthIncrease(root.trueType, combinedMapper || mapper), instantiateTypeWithoutDepthIncrease(root.falseType, mapper)]);
                 }
                 // Return falseType for a definitely false extends check. We check an instantiations of the two
                 // types with type parameters mapped to the wildcard type, the most permissive instantiations
                 // possible (the wildcard type is assignable to and from all types). If those are not related,
                 // then no instantiations will be and we can just return the false branch type.
                 if (!isTypeAssignableTo(getPermissiveInstantiation(checkType), getPermissiveInstantiation(inferredExtendsType))) {
-                    return instantiateType(root.falseType, mapper);
+                    return instantiateTypeWithoutDepthIncrease(root.falseType, mapper);
                 }
                 // Return trueType for a definitely true extends check. We check instantiations of the two
                 // types with type parameters mapped to their restrictive form, i.e. a form of the type parameter
@@ -12786,7 +12786,7 @@ namespace ts {
                 //   type Foo<T extends { x: any }> = T extends { x: string } ? string : number
                 // doesn't immediately resolve to 'string' instead of being deferred.
                 if (isTypeAssignableTo(getRestrictiveInstantiation(checkType), getRestrictiveInstantiation(inferredExtendsType))) {
-                    return instantiateType(root.trueType, combinedMapper || mapper);
+                    return instantiateTypeWithoutDepthIncrease(root.trueType, combinedMapper || mapper);
                 }
             }
             // Return a deferred type for a check that is neither definitely true nor definitely false
@@ -13771,6 +13771,17 @@ namespace ts {
             return result;
         }
 
+        /**
+         * This can be used to avoid the penalty on instantiation depth for types which result from immediate
+         * simplification. It essentially removes the depth increase done in `instantiateType`.
+         */
+        function instantiateTypeWithoutDepthIncrease(type: Type, mapper: TypeMapper | undefined) {
+            instantiationDepth--;
+            const result = instantiateType(type, mapper);
+            instantiationDepth++;
+            return result;
+        }
+
         function instantiateTypeWorker(type: Type, mapper: TypeMapper): Type {
             const flags = type.flags;
             if (flags & TypeFlags.TypeParameter) {
diff --git a/tests/baselines/reference/deeplyNestedConditionalTypes.js b/tests/baselines/reference/deeplyNestedConditionalTypes.js
new file mode 100644
index 0000000000000..26f6b8b01e6b7
--- /dev/null
+++ b/tests/baselines/reference/deeplyNestedConditionalTypes.js
@@ -0,0 +1,115 @@
+//// [deeplyNestedConditionalTypes.ts]
+type Foo<T> =
+    T extends 0 ? '0' :
+    T extends 1 ? '1' :
+    T extends 2 ? '2' :
+    T extends 3 ? '3' :
+    T extends 4 ? '4' :
+    T extends 5 ? '5' :
+    T extends 6 ? '6' :
+    T extends 7 ? '7' :
+    T extends 8 ? '8' :
+    T extends 9 ? '9' :
+    T extends 10 ? '10' :
+    T extends 11 ? '11' :
+    T extends 12 ? '12' :
+    T extends 13 ? '13' :
+    T extends 14 ? '14' :
+    T extends 15 ? '15' :
+    T extends 16 ? '16' :
+    T extends 17 ? '17' :
+    T extends 18 ? '18' :
+    T extends 19 ? '19' :
+    T extends 20 ? '20' :
+    T extends 21 ? '21' :
+    T extends 22 ? '22' :
+    T extends 23 ? '23' :
+    T extends 24 ? '24' :
+    T extends 25 ? '25' :
+    T extends 26 ? '26' :
+    T extends 27 ? '27' :
+    T extends 28 ? '28' :
+    T extends 29 ? '29' :
+    T extends 30 ? '30' :
+    T extends 31 ? '31' :
+    T extends 32 ? '32' :
+    T extends 33 ? '33' :
+    T extends 34 ? '34' :
+    T extends 35 ? '35' :
+    T extends 36 ? '36' :
+    T extends 37 ? '37' :
+    T extends 38 ? '38' :
+    T extends 39 ? '39' :
+    T extends 40 ? '40' :
+    T extends 41 ? '41' :
+    T extends 42 ? '42' :
+    T extends 43 ? '43' :
+    T extends 44 ? '44' :
+    T extends 45 ? '45' :
+    T extends 46 ? '46' :
+    T extends 47 ? '47' :
+    T extends 48 ? '48' :
+    T extends 49 ? '49' :
+    T extends 50 ? '50' :
+    T extends 51 ? '51' :
+    T extends 52 ? '52' :
+    T extends 53 ? '53' :
+    T extends 54 ? '54' :
+    T extends 55 ? '55' :
+    T extends 56 ? '56' :
+    T extends 57 ? '57' :
+    T extends 58 ? '58' :
+    T extends 59 ? '59' :
+    T extends 60 ? '60' :
+    T extends 61 ? '61' :
+    T extends 62 ? '62' :
+    T extends 63 ? '63' :
+    T extends 64 ? '64' :
+    T extends 65 ? '65' :
+    T extends 66 ? '66' :
+    T extends 67 ? '67' :
+    T extends 68 ? '68' :
+    T extends 69 ? '69' :
+    T extends 70 ? '70' :
+    T extends 71 ? '71' :
+    T extends 72 ? '72' :
+    T extends 73 ? '73' :
+    T extends 74 ? '74' :
+    T extends 75 ? '75' :
+    T extends 76 ? '76' :
+    T extends 77 ? '77' :
+    T extends 78 ? '78' :
+    T extends 79 ? '79' :
+    T extends 80 ? '80' :
+    T extends 81 ? '81' :
+    T extends 82 ? '82' :
+    T extends 83 ? '83' :
+    T extends 84 ? '84' :
+    T extends 85 ? '85' :
+    T extends 86 ? '86' :
+    T extends 87 ? '87' :
+    T extends 88 ? '88' :
+    T extends 89 ? '89' :
+    T extends 90 ? '90' :
+    T extends 91 ? '91' :
+    T extends 92 ? '92' :
+    T extends 93 ? '93' :
+    T extends 94 ? '94' :
+    T extends 95 ? '95' :
+    T extends 96 ? '96' :
+    T extends 97 ? '97' :
+    T extends 98 ? '98' :
+    T extends 99 ? '99' :
+    never;
+
+type T0 = Foo<99>;
+type T1 = Foo<any>;
+
+//// [deeplyNestedConditionalTypes.js]
+"use strict";
+
+
+//// [deeplyNestedConditionalTypes.d.ts]
+declare type Foo<T> = T extends 0 ? '0' : T extends 1 ? '1' : T extends 2 ? '2' : T extends 3 ? '3' : T extends 4 ? '4' : T extends 5 ? '5' : T extends 6 ? '6' : T extends 7 ? '7' : T extends 8 ? '8' : T extends 9 ? '9' : T extends 10 ? '10' : T extends 11 ? '11' : T extends 12 ? '12' : T extends 13 ? '13' : T extends 14 ? '14' : T extends 15 ? '15' : T extends 16 ? '16' : T extends 17 ? '17' : T extends 18 ? '18' : T extends 19 ? '19' : T extends 20 ? '20' : T extends 21 ? '21' : T extends 22 ? '22' : T extends 23 ? '23' : T extends 24 ? '24' : T extends 25 ? '25' : T extends 26 ? '26' : T extends 27 ? '27' : T extends 28 ? '28' : T extends 29 ? '29' : T extends 30 ? '30' : T extends 31 ? '31' : T extends 32 ? '32' : T extends 33 ? '33' : T extends 34 ? '34' : T extends 35 ? '35' : T extends 36 ? '36' : T extends 37 ? '37' : T extends 38 ? '38' : T extends 39 ? '39' : T extends 40 ? '40' : T extends 41 ? '41' : T extends 42 ? '42' : T extends 43 ? '43' : T extends 44 ? '44' : T extends 45 ? '45' : T extends 46 ? '46' : T extends 47 ? '47' : T extends 48 ? '48' : T extends 49 ? '49' : T extends 50 ? '50' : T extends 51 ? '51' : T extends 52 ? '52' : T extends 53 ? '53' : T extends 54 ? '54' : T extends 55 ? '55' : T extends 56 ? '56' : T extends 57 ? '57' : T extends 58 ? '58' : T extends 59 ? '59' : T extends 60 ? '60' : T extends 61 ? '61' : T extends 62 ? '62' : T extends 63 ? '63' : T extends 64 ? '64' : T extends 65 ? '65' : T extends 66 ? '66' : T extends 67 ? '67' : T extends 68 ? '68' : T extends 69 ? '69' : T extends 70 ? '70' : T extends 71 ? '71' : T extends 72 ? '72' : T extends 73 ? '73' : T extends 74 ? '74' : T extends 75 ? '75' : T extends 76 ? '76' : T extends 77 ? '77' : T extends 78 ? '78' : T extends 79 ? '79' : T extends 80 ? '80' : T extends 81 ? '81' : T extends 82 ? '82' : T extends 83 ? '83' : T extends 84 ? '84' : T extends 85 ? '85' : T extends 86 ? '86' : T extends 87 ? '87' : T extends 88 ? '88' : T extends 89 ? '89' : T extends 90 ? '90' : T extends 91 ? '91' : T extends 92 ? '92' : T extends 93 ? '93' : T extends 94 ? '94' : T extends 95 ? '95' : T extends 96 ? '96' : T extends 97 ? '97' : T extends 98 ? '98' : T extends 99 ? '99' : never;
+declare type T0 = Foo<99>;
+declare type T1 = Foo<any>;
diff --git a/tests/baselines/reference/deeplyNestedConditionalTypes.symbols b/tests/baselines/reference/deeplyNestedConditionalTypes.symbols
new file mode 100644
index 0000000000000..2ed77ae471a4c
--- /dev/null
+++ b/tests/baselines/reference/deeplyNestedConditionalTypes.symbols
@@ -0,0 +1,315 @@
+=== tests/cases/compiler/deeplyNestedConditionalTypes.ts ===
+type Foo<T> =
+>Foo : Symbol(Foo, Decl(deeplyNestedConditionalTypes.ts, 0, 0))
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 0 ? '0' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 1 ? '1' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 2 ? '2' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 3 ? '3' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 4 ? '4' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 5 ? '5' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 6 ? '6' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 7 ? '7' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 8 ? '8' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 9 ? '9' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 10 ? '10' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 11 ? '11' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 12 ? '12' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 13 ? '13' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 14 ? '14' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 15 ? '15' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 16 ? '16' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 17 ? '17' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 18 ? '18' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 19 ? '19' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 20 ? '20' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 21 ? '21' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 22 ? '22' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 23 ? '23' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 24 ? '24' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 25 ? '25' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 26 ? '26' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 27 ? '27' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 28 ? '28' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 29 ? '29' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 30 ? '30' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 31 ? '31' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 32 ? '32' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 33 ? '33' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 34 ? '34' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 35 ? '35' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 36 ? '36' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 37 ? '37' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 38 ? '38' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 39 ? '39' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 40 ? '40' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 41 ? '41' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 42 ? '42' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 43 ? '43' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 44 ? '44' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 45 ? '45' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 46 ? '46' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 47 ? '47' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 48 ? '48' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 49 ? '49' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 50 ? '50' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 51 ? '51' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 52 ? '52' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 53 ? '53' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 54 ? '54' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 55 ? '55' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 56 ? '56' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 57 ? '57' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 58 ? '58' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 59 ? '59' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 60 ? '60' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 61 ? '61' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 62 ? '62' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 63 ? '63' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 64 ? '64' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 65 ? '65' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 66 ? '66' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 67 ? '67' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 68 ? '68' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 69 ? '69' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 70 ? '70' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 71 ? '71' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 72 ? '72' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 73 ? '73' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 74 ? '74' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 75 ? '75' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 76 ? '76' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 77 ? '77' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 78 ? '78' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 79 ? '79' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 80 ? '80' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 81 ? '81' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 82 ? '82' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 83 ? '83' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 84 ? '84' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 85 ? '85' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 86 ? '86' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 87 ? '87' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 88 ? '88' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 89 ? '89' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 90 ? '90' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 91 ? '91' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 92 ? '92' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 93 ? '93' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 94 ? '94' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 95 ? '95' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 96 ? '96' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 97 ? '97' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 98 ? '98' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    T extends 99 ? '99' :
+>T : Symbol(T, Decl(deeplyNestedConditionalTypes.ts, 0, 9))
+
+    never;
+
+type T0 = Foo<99>;
+>T0 : Symbol(T0, Decl(deeplyNestedConditionalTypes.ts, 101, 10))
+>Foo : Symbol(Foo, Decl(deeplyNestedConditionalTypes.ts, 0, 0))
+
+type T1 = Foo<any>;
+>T1 : Symbol(T1, Decl(deeplyNestedConditionalTypes.ts, 103, 18))
+>Foo : Symbol(Foo, Decl(deeplyNestedConditionalTypes.ts, 0, 0))
+
diff --git a/tests/baselines/reference/deeplyNestedConditionalTypes.types b/tests/baselines/reference/deeplyNestedConditionalTypes.types
new file mode 100644
index 0000000000000..d233e86bbbb86
--- /dev/null
+++ b/tests/baselines/reference/deeplyNestedConditionalTypes.types
@@ -0,0 +1,112 @@
+=== tests/cases/compiler/deeplyNestedConditionalTypes.ts ===
+type Foo<T> =
+>Foo : Foo<T>
+
+    T extends 0 ? '0' :
+    T extends 1 ? '1' :
+    T extends 2 ? '2' :
+    T extends 3 ? '3' :
+    T extends 4 ? '4' :
+    T extends 5 ? '5' :
+    T extends 6 ? '6' :
+    T extends 7 ? '7' :
+    T extends 8 ? '8' :
+    T extends 9 ? '9' :
+    T extends 10 ? '10' :
+    T extends 11 ? '11' :
+    T extends 12 ? '12' :
+    T extends 13 ? '13' :
+    T extends 14 ? '14' :
+    T extends 15 ? '15' :
+    T extends 16 ? '16' :
+    T extends 17 ? '17' :
+    T extends 18 ? '18' :
+    T extends 19 ? '19' :
+    T extends 20 ? '20' :
+    T extends 21 ? '21' :
+    T extends 22 ? '22' :
+    T extends 23 ? '23' :
+    T extends 24 ? '24' :
+    T extends 25 ? '25' :
+    T extends 26 ? '26' :
+    T extends 27 ? '27' :
+    T extends 28 ? '28' :
+    T extends 29 ? '29' :
+    T extends 30 ? '30' :
+    T extends 31 ? '31' :
+    T extends 32 ? '32' :
+    T extends 33 ? '33' :
+    T extends 34 ? '34' :
+    T extends 35 ? '35' :
+    T extends 36 ? '36' :
+    T extends 37 ? '37' :
+    T extends 38 ? '38' :
+    T extends 39 ? '39' :
+    T extends 40 ? '40' :
+    T extends 41 ? '41' :
+    T extends 42 ? '42' :
+    T extends 43 ? '43' :
+    T extends 44 ? '44' :
+    T extends 45 ? '45' :
+    T extends 46 ? '46' :
+    T extends 47 ? '47' :
+    T extends 48 ? '48' :
+    T extends 49 ? '49' :
+    T extends 50 ? '50' :
+    T extends 51 ? '51' :
+    T extends 52 ? '52' :
+    T extends 53 ? '53' :
+    T extends 54 ? '54' :
+    T extends 55 ? '55' :
+    T extends 56 ? '56' :
+    T extends 57 ? '57' :
+    T extends 58 ? '58' :
+    T extends 59 ? '59' :
+    T extends 60 ? '60' :
+    T extends 61 ? '61' :
+    T extends 62 ? '62' :
+    T extends 63 ? '63' :
+    T extends 64 ? '64' :
+    T extends 65 ? '65' :
+    T extends 66 ? '66' :
+    T extends 67 ? '67' :
+    T extends 68 ? '68' :
+    T extends 69 ? '69' :
+    T extends 70 ? '70' :
+    T extends 71 ? '71' :
+    T extends 72 ? '72' :
+    T extends 73 ? '73' :
+    T extends 74 ? '74' :
+    T extends 75 ? '75' :
+    T extends 76 ? '76' :
+    T extends 77 ? '77' :
+    T extends 78 ? '78' :
+    T extends 79 ? '79' :
+    T extends 80 ? '80' :
+    T extends 81 ? '81' :
+    T extends 82 ? '82' :
+    T extends 83 ? '83' :
+    T extends 84 ? '84' :
+    T extends 85 ? '85' :
+    T extends 86 ? '86' :
+    T extends 87 ? '87' :
+    T extends 88 ? '88' :
+    T extends 89 ? '89' :
+    T extends 90 ? '90' :
+    T extends 91 ? '91' :
+    T extends 92 ? '92' :
+    T extends 93 ? '93' :
+    T extends 94 ? '94' :
+    T extends 95 ? '95' :
+    T extends 96 ? '96' :
+    T extends 97 ? '97' :
+    T extends 98 ? '98' :
+    T extends 99 ? '99' :
+    never;
+
+type T0 = Foo<99>;
+>T0 : "99"
+
+type T1 = Foo<any>;
+>T1 : "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | "10" | "11" | "12" | "13" | "14" | "15" | "16" | "17" | "18" | "19" | "20" | "21" | "22" | "23" | "24" | "25" | "26" | "27" | "28" | "29" | "30" | "31" | "32" | "33" | "34" | "35" | "36" | "37" | "38" | "39" | "40" | "41" | "42" | "43" | "44" | "45" | "46" | "47" | "48" | "49" | "50" | "51" | "52" | "53" | "54" | "55" | "56" | "57" | "58" | "59" | "60" | "61" | "62" | "63" | "64" | "65" | "66" | "67" | "68" | "69" | "70" | "71" | "72" | "73" | "74" | "75" | "76" | "77" | "78" | "79" | "80" | "81" | "82" | "83" | "84" | "85" | "86" | "87" | "88" | "89" | "90" | "91" | "92" | "93" | "94" | "95" | "96" | "97" | "98" | "99"
+
diff --git a/tests/cases/compiler/deeplyNestedConditionalTypes.ts b/tests/cases/compiler/deeplyNestedConditionalTypes.ts
new file mode 100644
index 0000000000000..eeb5ccc29fc20
--- /dev/null
+++ b/tests/cases/compiler/deeplyNestedConditionalTypes.ts
@@ -0,0 +1,108 @@
+// @strict: true
+// @declaration: true
+
+type Foo<T> =
+    T extends 0 ? '0' :
+    T extends 1 ? '1' :
+    T extends 2 ? '2' :
+    T extends 3 ? '3' :
+    T extends 4 ? '4' :
+    T extends 5 ? '5' :
+    T extends 6 ? '6' :
+    T extends 7 ? '7' :
+    T extends 8 ? '8' :
+    T extends 9 ? '9' :
+    T extends 10 ? '10' :
+    T extends 11 ? '11' :
+    T extends 12 ? '12' :
+    T extends 13 ? '13' :
+    T extends 14 ? '14' :
+    T extends 15 ? '15' :
+    T extends 16 ? '16' :
+    T extends 17 ? '17' :
+    T extends 18 ? '18' :
+    T extends 19 ? '19' :
+    T extends 20 ? '20' :
+    T extends 21 ? '21' :
+    T extends 22 ? '22' :
+    T extends 23 ? '23' :
+    T extends 24 ? '24' :
+    T extends 25 ? '25' :
+    T extends 26 ? '26' :
+    T extends 27 ? '27' :
+    T extends 28 ? '28' :
+    T extends 29 ? '29' :
+    T extends 30 ? '30' :
+    T extends 31 ? '31' :
+    T extends 32 ? '32' :
+    T extends 33 ? '33' :
+    T extends 34 ? '34' :
+    T extends 35 ? '35' :
+    T extends 36 ? '36' :
+    T extends 37 ? '37' :
+    T extends 38 ? '38' :
+    T extends 39 ? '39' :
+    T extends 40 ? '40' :
+    T extends 41 ? '41' :
+    T extends 42 ? '42' :
+    T extends 43 ? '43' :
+    T extends 44 ? '44' :
+    T extends 45 ? '45' :
+    T extends 46 ? '46' :
+    T extends 47 ? '47' :
+    T extends 48 ? '48' :
+    T extends 49 ? '49' :
+    T extends 50 ? '50' :
+    T extends 51 ? '51' :
+    T extends 52 ? '52' :
+    T extends 53 ? '53' :
+    T extends 54 ? '54' :
+    T extends 55 ? '55' :
+    T extends 56 ? '56' :
+    T extends 57 ? '57' :
+    T extends 58 ? '58' :
+    T extends 59 ? '59' :
+    T extends 60 ? '60' :
+    T extends 61 ? '61' :
+    T extends 62 ? '62' :
+    T extends 63 ? '63' :
+    T extends 64 ? '64' :
+    T extends 65 ? '65' :
+    T extends 66 ? '66' :
+    T extends 67 ? '67' :
+    T extends 68 ? '68' :
+    T extends 69 ? '69' :
+    T extends 70 ? '70' :
+    T extends 71 ? '71' :
+    T extends 72 ? '72' :
+    T extends 73 ? '73' :
+    T extends 74 ? '74' :
+    T extends 75 ? '75' :
+    T extends 76 ? '76' :
+    T extends 77 ? '77' :
+    T extends 78 ? '78' :
+    T extends 79 ? '79' :
+    T extends 80 ? '80' :
+    T extends 81 ? '81' :
+    T extends 82 ? '82' :
+    T extends 83 ? '83' :
+    T extends 84 ? '84' :
+    T extends 85 ? '85' :
+    T extends 86 ? '86' :
+    T extends 87 ? '87' :
+    T extends 88 ? '88' :
+    T extends 89 ? '89' :
+    T extends 90 ? '90' :
+    T extends 91 ? '91' :
+    T extends 92 ? '92' :
+    T extends 93 ? '93' :
+    T extends 94 ? '94' :
+    T extends 95 ? '95' :
+    T extends 96 ? '96' :
+    T extends 97 ? '97' :
+    T extends 98 ? '98' :
+    T extends 99 ? '99' :
+    never;
+
+type T0 = Foo<99>;
+type T1 = Foo<any>;
\ No newline at end of file