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[Bug c++/61004] [4.10 Regression] Spurious warning: dereferencing type-punned pointer
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 05 Jun 2014 12:43:01 +0000
- Subject: [Bug c++/61004] [4.10 Regression] Spurious warning: dereferencing type-punned pointer
- Auto-submitted: auto-generated
- References: <bug-61004-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61004
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Jun 5 12:42:29 2014
New Revision: 211272
URL: http://gcc.gnu.org/viewcvs?rev=211272&root=gcc&view=rev
Log:
2014-06-05 Richard Biener <rguenther@suse.de>
PR c++/61004
* typeck.c (cp_build_indirect_ref): Do not emit strict-aliasing
warnings for accessing empty classes.
* g++.dg/diagnostic/pr61004.C: New testcase.
Added:
trunk/gcc/testsuite/g++.dg/diagnostic/pr61004.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/typeck.c
trunk/gcc/testsuite/ChangeLog