warn2.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 27 行

// { dg-do assemble  }
// { dg-options "-Wall" }

enum Boolean {
  Ok = 0,
  NotOk = 1,
};

enum OpResult {
  Succeeded = 0,
  TempFail = 1,
  PermFail = 2,
};

OpResult fn1() {
  return TempFail;
}

extern void foo();

int
main () {
  if (fn1() == Ok) {	// { dg-warning "" } 
    foo();
  }
}