r238442 - in /trunk/gcc: cp/ChangeLog cp/conste...

[jakub@gcc.gnu.org]

Author: jakub
Date: Mon Jul 18 18:43:19 2016
New Revision: 238442

URL: https://gcc.gnu.org/viewcvs?rev=238442&root=gcc&view=rev
Log:
	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:
    trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-71828.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/testsuite/ChangeLog