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PR 40614 no -Werror= for attribute warn_unused_result

From: Manuel López-Ibáñez <lopezibanez at gmail dot com>
To: Gcc Patch List <gcc-patches at gcc dot gnu dot org>
Cc: Gabriel Dos Reis <gdr at integrable-solutions dot net>, "Joseph S. Myers" <joseph at codesourcery dot com>, Mark Mitchell <mark at codesourcery dot com>
Date: Thu, 9 Jul 2009 09:04:57 +0200
Subject: PR 40614 no -Werror= for attribute warn_unused_result

Bootstrapped and regression tested on x86_64-linux-gnu.

OK for trunk?

2009-07-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 4061
	* c.opt (Wunused-result): New.
	* doc/invoke.texi: Document it.
	* c-common.c (c_warn_unused_result): Use it.
testsuite/
	* g++.dg/warn/unused-result1-Werror.c: New.

Attachment: fix-pr40614.diff
Description: Text document

Follow-Ups:
- Re: PR 40614 no -Werror= for attribute warn_unused_result
  - From: Gabriel Dos Reis

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