Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/Wstrict-aliasing-struct-with-char-member.c @ 131:84e7813d76e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
111
kono
parents:
diff changeset
1 /* { dg-do compile } */
kono
parents:
diff changeset
2 /* { dg-options "-O2 -Wall" } */
kono
parents:
diff changeset
3
kono
parents:
diff changeset
4 struct a {
kono
parents:
diff changeset
5 int i;
kono
parents:
diff changeset
6 char c;
kono
parents:
diff changeset
7 };
kono
parents:
diff changeset
8 struct b {
kono
parents:
diff changeset
9 float f;
kono
parents:
diff changeset
10 float g;
kono
parents:
diff changeset
11 };
kono
parents:
diff changeset
12 int main(void)
kono
parents:
diff changeset
13 {
kono
parents:
diff changeset
14 static struct b b;
kono
parents:
diff changeset
15 return ((struct a *)&b)->i; /* { dg-warning "will break strict-aliasing" } */
kono
parents:
diff changeset
16 }