| /* PR tree-optimization/77454 */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O2" } */ | |
| void | |
| foo (unsigned char x, char y) | |
| { | |
| while (x != 0) | |
| { | |
| unsigned char *a = &x; | |
| int b; | |
| if (y != 0) | |
| a = (unsigned char *) &y; | |
| else if (y + 1 != 0) | |
| a = (unsigned char *) &y; | |
| for (x = 0; x < 1; ++x) | |
| b = 0; | |
| for (y = 0; y < 3; ++y) | |
| { | |
| y = !!y; | |
| if (y != 0) | |
| x = y; | |
| } | |
| if ((b != 0 ? -1 : *a) < (y = b)) | |
| b = 1; | |
| } | |
| } |