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C++ PATCH for c++/80452, Core 1579: implicit move semantics on return/throw

From: Jason Merrill <jason at redhat dot com>
To: gcc-patches List <gcc-patches at gcc dot gnu dot org>
Cc: Jonathan Wakely <jwakely at redhat dot com>
Date: Thu, 10 Aug 2017 12:06:20 -0700
Subject: C++ PATCH for c++/80452, Core 1579: implicit move semantics on return/throw
Authentication-results: sourceware.org; auth=none

Jon's earlier patch expanded our existing implicit move semantics
support to allow other types, but this testcase demonstrates a hole in
that support: it didn't affect function template argument deduction.
Rather than try to tweak deduction as well as reference binding, this
patch actually does overload resolution twice, as specified in the
standard.

Tested x86_64-pc-linux-gnu, applying to trunk.

Attachment: 80452.diff
Description: Text document

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