diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr29801.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr29801.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr29801.c b/gcc/testsuite/gcc.dg/pr29801.c new file mode 100644 index 000000000..b61ae5142 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr29801.c @@ -0,0 +1,24 @@ +/* We used to crash in ccp here, because the initial constant value of 2 + was changed to 5. */ + +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ + +static const int a = 2; + +int test (int param) +{ + int *p = (int *) &a; + + if (param) + *p = 5; + + return a; +} + +/* Check that we return the correct (unchanged) value. */ + +/* { dg-final { scan-tree-dump-times "return 2" 1 "optimized" } } */ +/* { dg-final { scan-tree-dump-times "return 5" 0 "optimized" } } */ + +/* { dg-final { cleanup-tree-dump "optimized" } } */ |