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[Bug c/68907] bogus warning: right-hand operand of comma expression has no effect on an atomic_int preincrement
- 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: Tue, 15 Dec 2015 15:14:21 +0000
- Subject: [Bug c/68907] bogus warning: right-hand operand of comma expression has no effect on an atomic_int preincrement
- Auto-submitted: auto-generated
- References: <bug-68907-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68907
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Tue Dec 15 15:13:49 2015
New Revision: 231656
URL: https://gcc.gnu.org/viewcvs?rev=231656&root=gcc&view=rev
Log:
PR c/68907
* c-typeck.c (build_atomic_assign): Set TREE_NO_WARNING on an
artificial decl.
* gcc.dg/pr68907.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr68907.c
Modified:
trunk/gcc/c/ChangeLog
trunk/gcc/c/c-typeck.c
trunk/gcc/testsuite/ChangeLog