src/third_party/llvm-project/clang/test/Parser/if-scope-c99.c

// RUN: %clang_cc1 -fsyntax-only -verify -std=c99 %s

int f (int z)
{ 
   if (z > (int) sizeof (enum {a, b}))
      return a;
   return b; // expected-error{{use of undeclared identifier}}
}