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r237152 - in /branches/gcc-6-branch/gcc: cp/Cha...


Author: jakub
Date: Mon Jun  6 20:11:54 2016
New Revision: 237152

URL: https://gcc.gnu.org/viewcvs?rev=237152&root=gcc&view=rev
Log:
	PR c++/70847
	PR c++/71330
	PR c++/71393
	* cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
	right after cp_fold call if cp_fold has returned the same stmt
	already in some earlier cp_fold_r call.
	(cp_fold_function): Add pset automatic variable, pass its address
	to cp_walk_tree.

	* g++.dg/opt/pr70847.C: New test.
	* g++.dg/ubsan/pr70847.C: New test.
	* g++.dg/ubsan/pr71393.C: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/g++.dg/opt/pr70847.C
    branches/gcc-6-branch/gcc/testsuite/g++.dg/ubsan/pr70847.C
    branches/gcc-6-branch/gcc/testsuite/g++.dg/ubsan/pr71393.C
Modified:
    branches/gcc-6-branch/gcc/cp/ChangeLog
    branches/gcc-6-branch/gcc/cp/cp-gimplify.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog


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