/* { dg-do compile } */ | |
/* { dg-options "-O2 -fdump-tree-optimized" } */ | |
int | |
foo (unsigned char a, _Bool b) | |
{ | |
return (!a & a) | (b & !b); | |
} | |
/* As long as comparisons aren't boolified and casts from boolean-types | |
aren't preserved, the folding of X & !X to zero fails. */ | |
/* { dg-final { scan-tree-dump-times "return 0" 1 "optimized" { xfail *-*-* } } } */ |