modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr66757.c (about) 1 /* PR tree-optimization/66757 */ 2 /* Testcase by Zhendong Su <su@cs.ucdavis.edu> */ 3 4 int a, b; 5 6 int 7 main (void) 8 { 9 unsigned int t = (unsigned char) (~b); 10 11 if ((t ^ 1) / 255) 12 __builtin_abort (); 13 14 return 0; 15 }