r268621 - in /branches/gcc-8-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Feb  7 14:29:14 2019
New Revision: 268621

URL: https://gcc.gnu.org/viewcvs?rev=268621&root=gcc&view=rev
Log:
	Backported from mainline
	2019-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/88870
	* dce.c (deletable_insn_p): Never delete const/pure calls that can
	throw if we can't alter the cfg or delete dead exceptions.
	(mark_insn): Don't call find_call_stack_args for such calls.

	* gcc.dg/pr88870.c: New test.

Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.dg/pr88870.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/dce.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog