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Commit 39aac208 authored by Richard Biener's avatar Richard Biener Committed by Richard Biener
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re PR c++/80593 (GCC 7, aligned_storage and “dereferencing type-punned pointer... 

re PR c++/80593 (GCC 7, aligned_storage and “dereferencing type-punned pointer will break strict-aliasing rules”)

2017-05-19  Richard Biener  <rguenther@suse.de>

	PR c++/80593
	* c-warn.c (strict_aliasing_warning): Do not warn for accesses
	to alias-set zero memory.

	* g++.dg/warn/Wstrict-aliasing-bogus-char-2.C: New testcase.
	* g++.dg/warn/Wstrict-aliasing-6.C: Adjust expected outcome.

From-SVN: r248269
parent f00e3d4e
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