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[Bug c/60195] Strange warnings using atomic types
- From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 19 Feb 2014 06:30:21 +0000
- Subject: [Bug c/60195] Strange warnings using atomic types
- Auto-submitted: auto-generated
- References: <bug-60195-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60195
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Wed Feb 19 06:29:49 2014
New Revision: 207873
URL: http://gcc.gnu.org/viewcvs?rev=207873&root=gcc&view=rev
Log:
PR c/60195
c/
* c-typeck.c (convert_lvalue_to_rvalue): Set TREE_NO_WARNING on tmp.
Call mark_exp_read on exp.value.
(build_atomic_assign): Set TREE_NO_WARNING on val and old. Set
TREE_ADDRESSABLE on old instead of val.
(emit_side_effect_warnings): Warn only if RHS has !TREE_NO_WARNING.
testsuite/
* gcc.dg/pr60195.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr60195.c
Modified:
trunk/gcc/c/ChangeLog
trunk/gcc/c/c-typeck.c
trunk/gcc/testsuite/ChangeLog