================ @@ -102,6 +126,11 @@ void test_unspecified_array_length() { static_assert(_Countof(**x) == 3); } +void test_completed_array() { + int a[] = {1, 2, errno}; ---------------- AaronBallman wrote: Best not to use `errno` here, just replace with `3`. https://github.com/llvm/llvm-project/pull/133333