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| author | Richard Biener <rguenther@suse.de> | 2016-05-11 14:04:32 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-05-11 14:04:32 +0000 |
| commit | f35ea97de898081cb04ceaa6bca97d2b719e7c47 (patch) | |
| tree | 36b22664ec960b7983947166fc32bd195c9c804c /gcc/testsuite | |
| parent | dff70323a39a34ba26c729f50fe45d78912133e8 (diff) | |
| download | gcc-f35ea97de898081cb04ceaa6bca97d2b719e7c47.zip gcc-f35ea97de898081cb04ceaa6bca97d2b719e7c47.tar.gz gcc-f35ea97de898081cb04ceaa6bca97d2b719e7c47.tar.bz2 | |
re PR tree-optimization/71055 (FAIL: gcc.dg/torture/pr53663-1.c -Os execution test)
2016-05-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/71055
* tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
sth with precision not equal to access size verify we don't chop
off bits.
* gcc.dg/torture/pr71055.c: New testcase.
From-SVN: r236122
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr71055.c | 18 |
2 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4f7f0f8..9170347 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2016-05-11 Richard Biener <rguenther@suse.de> + PR tree-optimization/71055 + * gcc.dg/torture/pr71055.c: New testcase. + +2016-05-11 Richard Biener <rguenther@suse.de> + PR debug/71057 * g++.dg/debug/pr71057.C: New testcase. diff --git a/gcc/testsuite/gcc.dg/torture/pr71055.c b/gcc/testsuite/gcc.dg/torture/pr71055.c new file mode 100644 index 0000000..7fe5a71 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr71055.c @@ -0,0 +1,18 @@ +/* { dg-do run } */ + +extern void abort (void); +union U { int i; _Bool b; char c; }; +void __attribute__((noinline,noclone)) +foo (union U *u) +{ + if (u->c != 0) + abort (); +} +int main() +{ + union U u; + u.i = 10; + u.b = 0; + foo (&u); + return 0; +} |