commit 84f13b2f3dbd0bb258b43843caa7d06c81a286a2
author jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> Fri Mar 22 14:40:59 2019 +0000
committer jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> Fri Mar 22 14:40:59 2019 +0000
tree 8606dad0f353d85630d41e4b1e4b709dce94fd2e
parent 26b210817c3240f7b2014ab97938b6b1b4cdf8ee

	PR c++/87481
	* doc/invoke.texi (-fconstexpr-ops-limit=): Document.

	* c.opt (-fconstexpr-ops-limit=): New option.

	* constexpr.c (struct constexpr_ctx): Add constexpr_ops_count member.
	(cxx_eval_constant_expression): When not skipping, not constant class
	or location wrapper, increment *ctx->constexpr_ops_count and if it is
	above constexpr_loop_nest_limit, diagnose failure.
	(cxx_eval_outermost_constant_expr): Add constexpr_ops_count and
	initialize ctx.constexpr_ops_count to its address.
	(is_sub_constant_expr): Likewise.

	* g++.dg/cpp1y/constexpr-87481.C: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@269874 138bc75d-0d04-0410-961f-82ee72b054a4