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Re: operator new returns nonzero

From: Marc Glisse <marc dot glisse at inria dot fr>
To: gcc-patches at gcc dot gnu dot org
Date: Mon, 16 Sep 2013 23:56:27 +0200 (CEST)
Subject: Re: operator new returns nonzero
Authentication-results: sourceware.org; auth=none
References: <alpine dot DEB dot 2 dot 02 dot 1309071206340 dot 19326 at stedding dot saclay dot inria dot fr> <7209CCD2-9BA5-4CD2-8A2B-9DEF2D2C88D2 at comcast dot net> <alpine dot DEB dot 2 dot 10 dot 1309072117090 dot 3585 at laptop-mg dot saclay dot inria dot fr> <7BED207A-EE03-4C7B-9716-33D76FE3649E at comcast dot net> <alpine dot DEB dot 2 dot 02 dot 1309072256440 dot 4641 at stedding dot saclay dot inria dot fr> <alpine dot DEB dot 2 dot 02 dot 1309092247150 dot 14523 at stedding dot saclay dot inria dot fr>

Nobody has expressed concern for a week, so it may be worth doing anofficial review ;-)


http://gcc.gnu.org/ml/gcc-patches/2013-09/msg00676.html

On Mon, 9 Sep 2013, Marc Glisse wrote:

I have now tested bootstrap+testsuite and there was no regression.

2013-09-07  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/19476
gcc/
	* fold-const.c (tree_expr_nonzero_warnv_p): Handle operator new.
	* tree-vrp.c (gimple_stmt_nonzero_warnv_p, stmt_interesting_for_vrp):
	Likewise.
	(vrp_visit_stmt): Remove duplicated code.

gcc/testsuite/
	* g++.dg/tree-ssa/pr19476-1.C: New file.
	* g++.dg/tree-ssa/pr19476-2.C: Likewise.
	* g++.dg/tree-ssa/pr19476-3.C: Likewise.
	* g++.dg/tree-ssa/pr19476-4.C: Likewise.


--
Marc Glisse

References:
- operator new returns nonzero
  - From: Marc Glisse
- Re: operator new returns nonzero
  - From: Mike Stump
- Re: operator new returns nonzero
  - From: Marc Glisse
- Re: operator new returns nonzero
  - From: Mike Stump
- Re: operator new returns nonzero
  - From: Marc Glisse
- Re: operator new returns nonzero
  - From: Marc Glisse

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