modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr46909-1.c (about) 1 /* PR tree-optimization/46909 */ 2 3 extern void abort (); 4 5 int 6 __attribute__ ((__noinline__)) 7 foo (unsigned int x) 8 { 9 if (! (x == 4 || x == 6) || (x == 2 || x == 6)) 10 return 1; 11 return -1; 12 } 13 14 int 15 main () 16 { 17 int i; 18 for (i = -10; i < 10; i++) 19 if (foo (i) != 1 - 2 * (i == 4)) 20 abort (); 21 return 0; 22 }