re PR target/86795 (mn10300 port needs updating for CVE-2017-5753)

	PR target/86795
	* config/mn10300/mn10300.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
	Define to speculation_safe_value_not_needed.

From-SVN: r263296

gcc/ChangeLog

+2018-08-03  Jeff Law  <law@redhat.com>
+
+	PR target/86795
+	* config/mn10300/mn10300.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
+	Define to speculation_safe_value_not_needed.
+
 2018-08-03  David Malcolm  <dmalcolm@redhat.com>
 
 	* doc/gcov.texi (-x): Remove duplicate "to".

gcc/config/mn10300/mn10300.c

@@ -3437,4 +3437,7 @@ mn10300_reorg (void)
 #undef  TARGET_MODES_TIEABLE_P
 #define TARGET_MODES_TIEABLE_P mn10300_modes_tieable_p
 
+#undef  TARGET_HAVE_SPECULATION_SAFE_VALUE
+#define TARGET_HAVE_SPECULATION_SAFE_VALUE speculation_safe_value_not_needed
+
 struct gcc_target targetm = TARGET_INITIALIZER;