r255390 - in /trunk/gcc: cp/ChangeLog cp/conste...

Mon Dec 4 22:52:00 GMT 2017

Author: jason
Date: Mon Dec  4 22:52:07 2017
New Revision: 255390

URL: https://gcc.gnu.org/viewcvs?rev=255390&root=gcc&view=rev
Log:
	PR c++/83273 - constexpr if allows non-constant condition

	* semantics.c (finish_if_stmt_cond): Use require_constant_expression
	rather than is_constant_expression.
	* constexpr.c (potential_constant_expression_1) [LAMBDA_EXPR]: Allow
	in C++17.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1z/constexpr-if13.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/g++.dg/cpp1z/constexpr-if12.C