Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/attr-may-alias-1.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* { dg-do compile } */ /* { dg-options "-O2 -Wall" } */ typedef int T __attribute__((may_alias)); extern T *p; extern int *p; extern int *p2; extern T *p2; void fn1 (T); void fn1 (int); void fn2 (int); void fn2 (T); /* Ensure that the composite types have may_alias. */ void f (long *i) { *i = *(__typeof (*p) *) &p; asm ("" : : "r" (*p)); *i = *(__typeof (*p2) *) &p2; asm ("" : : "r" (*p2)); }