r250822 - in /trunk/gcc: c-family/c-warn.c c/Ch...

[mpolacek@gcc.gnu.org]

Author: mpolacek
Date: Wed Aug  2 11:56:54 2017
New Revision: 250822

URL: https://gcc.gnu.org/viewcvs?rev=250822&root=gcc&view=rev
Log:
	PR c/81448
	PR c/81306
	* c-warn.c (warn_for_multistatement_macros): Prevent bogus
	warnings.  Avoid walking MACRO_MAP_LOCATIONS.						     

	* c-c++-common/Wmultistatement-macros-13.c: New test.

Added:
    trunk/gcc/testsuite/c-c++-common/Wmultistatement-macros-13.c
Modified:
    trunk/gcc/c-family/c-warn.c
    trunk/gcc/c/ChangeLog
    trunk/gcc/testsuite/ChangeLog