Error message on target attribute on aarch64 target (PR target/79889).

2017-04-07  Martin Liska  <mliska@suse.cz>

	PR target/79889
	* g++.dg/ext/mv8.C: Add aarch64* targets.
2017-04-07  Martin Liska  <mliska@suse.cz>

	PR target/79889
	* config/aarch64/aarch64.c (aarch64_process_target_attr):
	Show error message instead of an ICE.

From-SVN: r246760

gcc/ChangeLog

 2017-04-07  Martin Liska  <mliska@suse.cz>
 
+	PR target/79889
+	* config/aarch64/aarch64.c (aarch64_process_target_attr):
+	Show error message instead of an ICE.
+
+2017-04-07  Martin Liska  <mliska@suse.cz>
+
 	PR ipa/80212
 	* ipa-split.c (split_function): Add function part to a same comdat
 	group.

gcc/config/aarch64/aarch64.c

@@ -9530,8 +9530,12 @@ aarch64_process_target_attr (tree args, const char* pragma_or_attr)
 
       return true;
     }
-  /* We expect to find a string to parse.  */
-  gcc_assert (TREE_CODE (args) == STRING_CST);
+
+  if (TREE_CODE (args) != STRING_CST)
+    {
+      error ("attribute %<target%> argument not a string");
+      return false;
+    }
 
   size_t len = strlen (TREE_STRING_POINTER (args));
   char *str_to_check = (char *) alloca (len + 1);

gcc/testsuite/ChangeLog

 2017-04-07  Martin Liska  <mliska@suse.cz>
 
+	PR target/79889
+	* g++.dg/ext/mv8.C: Add aarch64* targets.
+
+2017-04-07  Martin Liska  <mliska@suse.cz>
+
 	PR ipa/80212
 	* g++.dg/ipa/pr80212.C: New test.
 

gcc/testsuite/g++.dg/ext/mv8.C

-// { dg-do compile { target i?86-*-* x86_64-*-* powerpc*-*-* } }
+// { dg-do compile { target i?86-*-* x86_64-*-* powerpc*-*-* aarch64*-*-* } }
 // { dg-options "" }
 
 __attribute__((target (11,12)))