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re PR tree-optimization/33291 (a+=2; a+=2 not simplified to a+=4; with -O3 ...
[gcc.git]
/
gcc
/
testsuite
/
gcc.dg
/
tree-ssa
/
pr23192.c
1
/* { dg-options "-O2" } */
2
/* { dg-do run } */
3
4
struct
S
{
int
i
; }
s
;
5
6
void
f
(
struct
S
*
q
)
7
{
8
int
a
, *
p
;
9
p
= &
a
;
10
if
(
q
)
11
p
= &
q
->
i
;
12
*
p
=
1
;
13
}
14
15
void
abort
(
void
);
16
17
int
main
(
void
)
18
{
19
f
(&
s
);
20
if
(
s
.
i
!=
1
)
21
abort
();
22
return
0
;
23
}