r255988 - in /branches/gcc-7-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Sat Dec 23 08:43:10 2017
New Revision: 255988

URL: https://gcc.gnu.org/viewcvs?rev=255988&root=gcc&view=rev
Log:
	PR c++/83553
	* fold-const.c (struct contains_label_data): New type.
	(contains_label_1): Return non-NULL even for CASE_LABEL_EXPR, unless
	inside of a SWITCH_BODY seen during the walk.
	(contains_label_p): Use walk_tree instead of
	walk_tree_without_duplicates, prepare data for contains_label_1 and
	provide own pset.

	* c-c++-common/torture/pr83553.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/c-c++-common/torture/pr83553.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/fold-const.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog