2014-02-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* c-c++-common/ubsan/overflow-negate-2.c (main): Use signed char.

--- gcc/testsuite/c-c++-common/ubsan/overflow-negate-2.c	2013-12-14 21:07:52.000000000 +0100
+++ gcc/testsuite/c-c++-common/ubsan/overflow-negate-2.c	2014-02-14 08:59:34.559594440 +0100
@@ -13,7 +13,7 @@
 int
 main (void)
 {
-  volatile char c = -SCHAR_MIN;
+  volatile signed char c = -SCHAR_MIN;
   CHECK (c, -128);
 
   volatile short s = -SHRT_MIN;