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[Bug c/52181] [4.7 Regression] merge_decls doesn't handle DECL_USER_ALIGN properly
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 14 Feb 2012 23:34:40 +0000
- Subject: [Bug c/52181] [4.7 Regression] merge_decls doesn't handle DECL_USER_ALIGN properly
- Auto-submitted: auto-generated
- References: <bug-52181-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52181
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-14 23:34:40 UTC ---
Author: jakub
Date: Tue Feb 14 23:34:34 2012
New Revision: 184242
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184242
Log:
Backported from mainline
2012-02-14 Jakub Jelinek <jakub@redhat.com>
PR c/52181
* c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
newdecl.
* decl.c (duplicate_decls): If olddecl has bigger DECL_ALIGN than
newdecl, copy DECL_ALIGN to newdecl and or DECL_USER_ALIGN bits.
* c-c++-common/pr52181.c: New test.
Added:
branches/gcc-4_6-branch/gcc/testsuite/c-c++-common/pr52181.c
Modified:
branches/gcc-4_6-branch/gcc/ChangeLog
branches/gcc-4_6-branch/gcc/c-decl.c
branches/gcc-4_6-branch/gcc/cp/ChangeLog
branches/gcc-4_6-branch/gcc/cp/decl.c
branches/gcc-4_6-branch/gcc/testsuite/ChangeLog