| /* PR debug/49888 */ |
| /* { dg-do run } */ |
| /* { dg-options "-g" } */ |
| |
| static int v __attribute__((used)); |
| |
| static void __attribute__((noipa)) |
| f (int *p) |
| { |
| int c = *p; |
| v = c; |
| *p = 1; /* { dg-final { gdb-test . "!!c" "0" } } */ |
| /* c may very well be optimized out at this point, so we test !c, |
| which will evaluate to the expected value. We just want to make |
| sure it doesn't remain bound to *p as it did before, in which |
| case !c would evaluate to 0. *p may also be regarded as aliasing |
| register saves, thus the !!c above. */ |
| v = 0; /* { dg-final { gdb-test . "!c" "1" } } */ |
| } |
| int |
| main () |
| { |
| int a = 0; |
| f (&a); |
| return 0; |
| } |
