Add regression test

2025-11-18 17:21:48 +00:00 · 2018-10-15 10:24:00 -07:00
parent 709f5f2fc4
commit 0c3221c220
1 changed files with 10 additions and 1 deletions
@@ -12,4 +12,13 @@ type Recurse1 = {

 type Recurse2 = {
    [K in keyof Recurse1]: Recurse1[K]
-}
+}
+
+// Repro from #27881
+
+export type Circular<T> = {[P in keyof T]: Circular<T>};
+type tup = [number, number, number, number];
+
+function foo(arg: Circular<tup>): tup {
+  return arg;
+}