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| author | Jason Merrill <jason@redhat.com> | 2010-08-19 13:00:51 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2010-08-19 13:00:51 -0400 |
| commit | ce3beba3df013a2ebffbde6bf691f396dd968f61 (patch) | |
| tree | 07707b32a91d6054569c09547fee746ce8b65038 /gcc/gimplify.c | |
| parent | 2c5df20f2ee3af837efdcf9a384a5fb600791050 (diff) | |
| download | gcc-ce3beba3df013a2ebffbde6bf691f396dd968f61.zip gcc-ce3beba3df013a2ebffbde6bf691f396dd968f61.tar.gz gcc-ce3beba3df013a2ebffbde6bf691f396dd968f61.tar.bz2 | |
re PR middle-end/45307 (Stores expanding to no RTL not removed by tree optimizers, Empty ctors/dtors not eliminated)
PR c++/45307
* gimplify.c (gimplify_init_constructor): Just return GS_UNHANDLED
if ctor is empty.
(gimplify_modify_expr_rhs): Adjust.
From-SVN: r163380
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index 8b97ee3..7e33666 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -4237,6 +4237,10 @@ gimplify_modify_expr_rhs (tree *expr_p, tree *from_p, tree *to_p, break; case CONSTRUCTOR: + /* If we already made some changes, let the front end have a + crack at this before we break it down. */ + if (ret != GS_UNHANDLED) + break; /* If we're initializing from a CONSTRUCTOR, break this into individual MODIFY_EXPRs. */ return gimplify_init_constructor (expr_p, pre_p, post_p, want_value, |