Add regression test

2026-05-06 23:59:42 -05:00 · 2019-05-10 09:56:17 -07:00
parent 46a278d449
commit ee59cee381
1 changed files with 6 additions and 0 deletions
--- a/tests/cases/conformance/types/conditional/conditionalTypes2.ts
+++ b/tests/cases/conformance/types/conditional/conditionalTypes2.ts
@@ -190,3 +190,9 @@ type ProductComplementComplement = {
 };
 type PCCA = ProductComplementComplement['a'];
 type PCCB = ProductComplementComplement['b'];
+
+// Repro from #31326
+
+type Hmm<T, U extends T> = U extends T ? { [K in keyof U]: number } : never;
+type What = Hmm<{}, { a: string }>
+const w: What = { a: 4 };