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Add testcase for PR57478
[gcc.git]
/
gcc
/
testsuite
/
gcc.dg
/
torture
/
pr57478.c
1
/* { dg-do compile } */
2
3
typedef
struct
Node Node
;
4
5
struct
Node
6
{
7
Node
*
Pred
, *
Suc
;
8
Node
*
SubBestPred
;
9
Node
*
SubBestSuc
;
10
};
11
12
void
13
foo
(
Node
*
N
)
14
{
15
do
16
{
17
N
->
SubBestPred
=
N
->
Pred
;
18
N
->
SubBestSuc
=
N
->
Suc
;
19
}
20
while
(
N
=
N
->
Suc
);
21
}