builtin-arith-overflow-1.c (fn2): Take signed char.

	* gcc.dg/builtin-arith-overflow-1.c (fn2): Take signed char.
	(fn3): Likewise.

From-SVN: r218641

gcc/testsuite/ChangeLog

+2014-12-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc.dg/builtin-arith-overflow-1.c (fn2): Take signed char.
+	(fn3): Likewise.
+
 2014-12-11  Jan Hubicka  <hubicka@ucw.cz>
 
 	PR ipa/61324
-	* testsuite/g++.dg/pr61324.C: New testcase by Trevor Saunders.
-	* testsuite/g++.dg/tm/pr51411-2.C: Update se the extern function is
+	* g++.dg/pr61324.C: New testcase by Trevor Saunders.
+	* g++.dg/tm/pr51411-2.C: Update se the extern function is
 	not eliminated early.
-	* testsuite/gcc.target/i386/pr57756.c: Turn extern inline into static
-	inline.
+	* gcc.target/i386/pr57756.c: Turn extern inline into static inline.
 
 2014-12-11  Richard Biener  <rguenther@suse.de>
 

gcc/testsuite/gcc.dg/builtin-arith-overflow-1.c

@@ -17,7 +17,7 @@ fn1 (int x, unsigned int y)
 /* MUL_OVERFLOW should be folded into unsigned multiplication,
    because ovf is never used.  */
 __attribute__((noinline, noclone)) int
-fn2 (char x, long int y)
+fn2 (signed char x, long int y)
 {
   short int res;
   int ovf = __builtin_mul_overflow (x, y, &res);
@@ -31,7 +31,7 @@ fn2 (char x, long int y)
 /* ADD_OVERFLOW should be folded into unsigned addition,
    because it never overflows.  */
 __attribute__((noinline, noclone)) int
-fn3 (char x, unsigned short y, int *ovf)
+fn3 (signed char x, unsigned short y, int *ovf)
 {
   int res;
   *ovf = __builtin_add_overflow (x, y, &res);