This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: C PATCH for c/68907 (bogus warning with _Atomic predecrement)

From: Bernd Schmidt <bschmidt at redhat dot com>
To: Marek Polacek <polacek at redhat dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>, Joseph Myers <joseph at codesourcery dot com>
Date: Tue, 15 Dec 2015 16:03:39 +0100
Subject: Re: C PATCH for c/68907 (bogus warning with _Atomic predecrement)
Authentication-results: sourceware.org; auth=none
References: <20151215145959 dot GC3296 at redhat dot com>

On 12/15/2015 03:59 PM, Marek Polacek wrote:

Here, missing TREE_NO_WARNING on an artificial variable caused bogus
-Wunused-value warning.

Bootstrapped/regtested on x86_64-linux, ok for trunk?

2015-12-15  Marek Polacek  <polacek@redhat.com>

	PR c/68907
	* c-typeck.c (build_atomic_assign): Set TREE_NO_WARNING on an
	artificial decl.

	* gcc.dg/pr68907.c: New test.


This looks ok.


Bernd

References:
- C PATCH for c/68907 (bogus warning with _Atomic predecrement)
  - From: Marek Polacek

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]