// Minimal compiler test for C compiler.
//
// Semantic mistakes like these are common enough that any compiler MUST produce warnings
// like those in the comments if it is to be used for more than "hello, world".

int
main (void)
{
  int a, b;

  if (a = b)                    // warning: suggest parentheses around assignment used as truth value
    return 1;
  return 0;
}