1 /* PR tree-optimization/78675 */ 2 3 long int a; 4 5 __attribute__((noinline, noclone)) long int foo(long int x)6foo (long int x) 7 { 8 long int b; 9 while (a < 1) 10 { 11 b = a && x; 12 ++a; 13 } 14 return b; 15 } 16 17 int main()18main () 19 { 20 if (foo (0) != 0) 21 __builtin_abort (); 22 a = 0; 23 if (foo (1) != 0) 24 __builtin_abort (); 25 a = 0; 26 if (foo (25) != 0) 27 __builtin_abort (); 28 a = -64; 29 if (foo (0) != 0) 30 __builtin_abort (); 31 a = -64; 32 if (foo (1) != 0) 33 __builtin_abort (); 34 a = -64; 35 if (foo (25) != 0) 36 __builtin_abort (); 37 return 0; 38 } 39