modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/20190228-1.c (about)

     1  /* PR tree-optimization/89536 */
     2  /* Testcase by Zhendong Su <su@cs.ucdavis.edu> */
     3  
     4  int a = 1;
     5  
     6  int main (void)
     7  {
     8    a = ~(a && 1); 
     9    if (a < -1)
    10      a = ~a;
    11    
    12    if (!a)
    13      __builtin_abort ();
    14  
    15    return 0;
    16  }