r255710 - in /branches/gcc-7-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Dec 15 21:53:29 2017
New Revision: 255710

URL: https://gcc.gnu.org/viewcvs?rev=255710&root=gcc&view=rev
Log:
	Backported from mainline
	2017-11-22  Jakub Jelinek  <jakub@redhat.com>

	PR debug/83084
	* valtrack.c (propagate_for_debug_subst, propagate_for_debug): Reset
	debug insns if they would contain UNSPEC_VOLATILE or volatile asm.
	(dead_debug_insert_temp): Likewise, but also ignore even non-volatile
	asm.

	* g++.dg/opt/pr83084.C: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/g++.dg/opt/pr83084.C
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/valtrack.c