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[PATCH] PR libstdc++/67554 Do not pass null pointers to memcpy

From: Jonathan Wakely <jwakely at redhat dot com>
To: libstdc++ at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Date: Mon, 14 May 2018 16:34:49 +0100
Subject: [PATCH] PR libstdc++/67554 Do not pass null pointers to memcpy

	PR libstdc++/67554
	* include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
	(_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.

Tested powerpc64le-linux, committed to trunk.

Backports to follow.

There's no new test for this, as we're not able to use sanitizers in
the testsuite (something I still hope to fix one day).

Attachment: patch.txt
Description: Text document

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