modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/execute/pr31072.c (about)

     1  extern volatile int ReadyFlag_NotProperlyInitialized;
     2  
     3  volatile int ReadyFlag_NotProperlyInitialized=1;
     4  
     5  int main(void)
     6  {
     7    if (ReadyFlag_NotProperlyInitialized != 1)
     8      __builtin_abort ();
     9    return 0;
    10  }