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C++ PATCH for c++/82373, constexpr if and non-constant condition

From: Jason Merrill <jason at redhat dot com>
To: gcc-patches List <gcc-patches at gcc dot gnu dot org>
Date: Mon, 4 Dec 2017 17:51:11 -0500
Subject: C++ PATCH for c++/82373, constexpr if and non-constant condition
Authentication-results: sourceware.org; auth=none

We need to require a constant-expression here, not just check for it.

The constexpr.c change was necessary to fix constexpr-lambda17.C.

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

Attachment: 82373.diff
Description: Text document

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