| /* { dg-do run } */ |
| /* { dg-options "-fsanitize=signed-integer-overflow" } */ |
| |
| int __attribute__ ((noinline)) |
| foo (int i, int j) |
| { |
| return (i + j) - (i | j); |
| } |
| |
| /* { dg-output "signed integer overflow: 2147483647 \\+ 1 cannot be represented in type 'int'\[^\n\r]*(\n|\r\n|\r)" } */ |
| /* { dg-output "\[^\n\r]*signed integer overflow: -2147483648 - 2147483647 cannot be represented in type 'int'\[^\n\r]*(\n|\r\n|\r)" } */ |
| |
| int __attribute__ ((noinline)) |
| bar (int i, int j) |
| { |
| return (i + j) - (i & j); |
| } |
| |
| /* { dg-output "\[^\n\r]*signed integer overflow: 2147483647 \\+ 1 cannot be represented in type 'int'\[^\n\r]*(\n|\r\n|\r)" } */ |
| /* { dg-output "\[^\n\r]*signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'" } */ |
| |
| int |
| main () |
| { |
| int r = foo (__INT_MAX__, 1); |
| asm volatile ("" : "+g" (r)); |
| r = bar (__INT_MAX__, 1); |
| asm volatile ("" : "+g" (r)); |
| return 0; |
| } |