Update test-suite expected output after rewording in libsanitizer.

2018-10-31  Martin Liska  <mliska@suse.cz>

	* c-c++-common/ubsan/pr63839.c: Update to new sanitizer message.
	* c-c++-common/ubsan/unreachable-1.c (main): Likewise.
	* c-c++-common/ubsan/unreachable-2.c: Likewise.
	* c-c++-common/ubsan/unreachable-4.c (main): Likewise.

From-SVN: r265670

gcc/testsuite/ChangeLog

+2018-10-31  Martin Liska  <mliska@suse.cz>
+
+	* c-c++-common/ubsan/pr63839.c: Update to new sanitizer message.
+	* c-c++-common/ubsan/unreachable-1.c (main): Likewise.
+	* c-c++-common/ubsan/unreachable-2.c: Likewise.
+	* c-c++-common/ubsan/unreachable-4.c (main): Likewise.
+
 2018-10-31  Thomas Preud'homme  <thomas.preudhomme@linaro.org>
 
 	PR target/87374

gcc/testsuite/c-c++-common/ubsan/pr63839.c

@@ -20,4 +20,4 @@ main (void)
   foo ();
 }
 
-/* { dg-output "execution reached a __builtin_unreachable\\(\\) call" } */
+/* { dg-output "execution reached an unreachable program point" } */

gcc/testsuite/c-c++-common/ubsan/unreachable-1.c

@@ -7,4 +7,4 @@ main (void)
 {
   __builtin_unreachable ();
 }
- /* { dg-output "execution reached a __builtin_unreachable\\(\\) call" } */
+/* { dg-output "execution reached an unreachable program point" } */

gcc/testsuite/c-c++-common/ubsan/unreachable-2.c

@@ -11,4 +11,4 @@ main (void)
   return e ? 0 : (__builtin_unreachable (), 1);
 }
 
-/* { dg-output "execution reached a __builtin_unreachable\\(\\) call" } */
+/* { dg-output "execution reached an unreachable program point" } */

gcc/testsuite/c-c++-common/ubsan/unreachable-4.c

@@ -7,4 +7,4 @@ main (void)
 {
   __builtin_unreachable ();
 }
- /* { dg-output "execution reached a __builtin_unreachable\\(\\) call" } */
+/* { dg-output "execution reached an unreachable program point" } */