| /* PR optimization/11210 */ | |
| /* Originator: Guido Classen <guido@clagi.de> */ | |
| /* Reduced testcase by Falk Hueffner <falk@debian.org> */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O" } */ | |
| /* Verify that the constant expressions folder doesn't | |
| throw away the cast operation in the comparison. */ | |
| struct str { | |
| int head; | |
| signed char data[8]; | |
| }; | |
| int foo(struct str t) | |
| { | |
| return t.data[0] || (unsigned char) t.data[2] != 130; /* { dg-bogus "comparison is always 1" } */ | |
| } |