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Re: [PATCH][21/n] Remove GENERIC stmt combining from SCCVN

From: Paolo Carlini <paolo dot carlini at oracle dot com>
To: Richard Biener <rguenther at suse dot de>, gcc-patches at gcc dot gnu dot org
Date: Wed, 29 Jul 2015 18:14:58 +0200
Subject: Re: [PATCH][21/n] Remove GENERIC stmt combining from SCCVN
Authentication-results: sourceware.org; auth=none
References: <alpine dot LSU dot 2 dot 11 dot 1507280919060 dot 19642 at zhemvz dot fhfr dot qr>

Hi,

On 07/28/2015 09:20 AM, Richard Biener wrote:

This moves/merges the equality folding of decl addresses from
fold_comparison with that from fold_binary in match.pd.

Bootstrapped and tested on x86_64-unknown-linux-gnu, applied to trunk.

Richard.

2015-07-28  Richard Biener  <rguenther@suse.de>

	* fold-const.c (fold_comparison): Remove equality folding
	of decl addresses ...
	* match.pd: ... here and merge with existing pattern.

I didn't double check with r226298, but I'm pretty sure this change ofyours has to do with the FAIL:

FAIL: experimental/optional/constexpr/make_optional.cc (test for excesserrors)UNRESOLVED: experimental/optional/constexpr/make_optional.cc compilationfailed to produce executable

which now we are all seeing. Certainly the FAIL is there with r226299and the library was clean a few revisions before. Note that the testcaseinvolves comparisons of decl addresses ;)


Thanks,
Paolo.

Follow-Ups:
- Re: [PATCH][21/n] Remove GENERIC stmt combining from SCCVN
  - From: Richard Biener

References:
- [PATCH][21/n] Remove GENERIC stmt combining from SCCVN
  - From: Richard Biener

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