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[Bug c++/83993] [7/8 Regression] ICE: constant not recomputed when ADDR_EXPR changed
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 31 Jan 2018 20:47:07 +0000
- Subject: [Bug c++/83993] [7/8 Regression] ICE: constant not recomputed when ADDR_EXPR changed
- Auto-submitted: auto-generated
- References: <bug-83993-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83993
--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Jan 31 20:46:36 2018
New Revision: 257265
URL: https://gcc.gnu.org/viewcvs?rev=257265&root=gcc&view=rev
Log:
PR c++/83993
* constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
on ADDR_EXPR.
* g++.dg/init/pr83993-2.C: New test.
Added:
trunk/gcc/testsuite/g++.dg/init/pr83993-2.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/constexpr.c
trunk/gcc/testsuite/ChangeLog