repo.or.cz
/
official-gcc.git
/
blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
log
|
graphiclog1
|
graphiclog2
|
commit
|
commitdiff
|
tree
|
refs
|
edit
|
fork
blame
|
history
|
raw
|
HEAD
Update concepts branch to revision 131834
[official-gcc.git]
/
gcc
/
testsuite
/
gcc.dg
/
attr-may-alias-1.c
blob
30e2bca6f48e9d033287457f4651bc9127ae9bda
1
/* { dg-do compile } */
2
/* { dg-options "-O2" } */
3
/* { dg-final { scan-assembler "dont_delete" } } */
4
5
typedef
struct
{
int
x
; }
__attribute__
((
may_alias
))
S
;
6
7
extern
void
dont_delete
(
void
);
8
9
void
f
(
S
*
s
,
float
*
f
)
10
{
11
s
->
x
=
1
;
12
*
f
=
0
;
13
if
(
s
->
x
!=
1
)
14
dont_delete
();
15
}