r238460 - in /branches/gcc-6-branch/gcc: cp/Cha...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Jul 19 08:44:04 2016
New Revision: 238460

URL: https://gcc.gnu.org/viewcvs?rev=238460&root=gcc&view=rev
Log:
	Backported from mainline
	2016-07-18  Jakub Jelinek  <jakub@redhat.com>

	PR c++/71828
	* constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
	For lval don't use cxx_eval_unary_expression and instead recurse
	and if needed rebuild the reference.

	* g++.dg/cpp0x/constexpr-71828.C: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/g++.dg/cpp0x/constexpr-71828.C
Modified:
    branches/gcc-6-branch/gcc/cp/ChangeLog
    branches/gcc-6-branch/gcc/cp/constexpr.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog