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| author | Jakub Jelinek <jakub@redhat.com> | 2016-09-20 15:48:40 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-09-20 15:48:40 +0200 |
| commit | 7d9cf8015969054f044ee815f0308e7130c59b83 (patch) | |
| tree | 0317661a91abecaca87f11977e90131e5694f151 /gcc/builtins.c | |
| parent | 3aebb6ff7588a68535cbc3c865bb316d29932c7f (diff) | |
| download | gcc-7d9cf8015969054f044ee815f0308e7130c59b83.zip gcc-7d9cf8015969054f044ee815f0308e7130c59b83.tar.gz gcc-7d9cf8015969054f044ee815f0308e7130c59b83.tar.bz2 | |
re PR middle-end/77624 (ICE on x86_64-linux-gnu (internal compiler error: in fold_builtin_atomic_always_lock_free, at builtins.c:5583))
PR middle-end/77624
* builtins.c (fold_builtin_atomic_always_lock_free): Only look through
cast to void * if the cast is from some other pointer type.
* c-c++-common/pr77624-1.c: New test.
* c-c++-common/pr77624-2.c: New test.
From-SVN: r240263
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 189aeac..9a19a75 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -5575,8 +5575,10 @@ fold_builtin_atomic_always_lock_free (tree arg0, tree arg1) end before anything else has a chance to look at it. The pointer parameter at this point is usually cast to a void *, so check for that and look past the cast. */ - if (CONVERT_EXPR_P (arg1) && POINTER_TYPE_P (ttype) - && VOID_TYPE_P (TREE_TYPE (ttype))) + if (CONVERT_EXPR_P (arg1) + && POINTER_TYPE_P (ttype) + && VOID_TYPE_P (TREE_TYPE (ttype)) + && POINTER_TYPE_P (TREE_TYPE (TREE_OPERAND (arg1, 0)))) arg1 = TREE_OPERAND (arg1, 0); ttype = TREE_TYPE (arg1); |