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re PR tree-optimization/57303 (struct miscompiled at -O1 and above)
[gcc.git]
/
gcc
/
testsuite
/
gcc.dg
/
torture
/
pr57303.c
1
/* { dg-do run } */
2
3
void
abort
(
void
);
4
5
struct
S0
6
{
7
int
f0
;
8
};
9
struct
S1
10
{
11
struct
S0 f0
;
12
};
13
14
struct
S1 x
= { {
0
} };
15
struct
S1 y
= { {
1
} };
16
17
static void
18
foo
(
struct
S0 p
)
19
{
20
struct
S0
*
l
= &
y
.
f0
;
21
*
l
=
x
.
f0
;
22
if
(
p
.
f0
)
23
*
l
= *
l
;
24
}
25
26
int
27
main
()
28
{
29
foo
(
y
.
f0
);
30
if
(
y
.
f0
.
f0
!=
0
)
31
abort
();
32
return
0
;
33
}