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[C++ Patch] Fixes for three grokbitfield diagnostics

From: Paolo Carlini <paolo dot carlini at oracle dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Cc: Jason Merrill <jason at redhat dot com>
Date: Fri, 7 Dec 2018 11:39:28 +0100
Subject: [C++ Patch] Fixes for three grokbitfield diagnostics

Hi,

these should be more or less straightforward (now thatDECL_SOURCE_LOCATION often extracts a proper location ;). In the case ofwarn_if_not_aligned I also removed the redundant width check (it's nevernull, double checked by running the instrumented testsuite too) and Ialso removed the DECL_NAME use, which definitely doesn't play well withunnamed declarations (other/bitfield7.C exercises that too).


Tested x86_64-linux, as usual.

Thanks, Paolo.

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Attachment: patch_grokbitfield3
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