[PATCH][GCC][AARCH64] Replace calls to strtok with strtok_r in aarch64 attribute handling code

2018-11-28  Sam Tebbs  <sam.tebbs@arm.com>

	* config/aarch64/aarch64.c (aarch64_process_target_attr): Replace
	calls to strtok with strtok_r.

From-SVN: r266570

gcc/ChangeLog

+2018-11-28  Sam Tebbs  <sam.tebbs@arm.com>
+
+	* config/aarch64/aarch64.c (aarch64_process_target_attr): Replace
+		calls to strtok with strtok_r.
+
 2018-11-28  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/88223

gcc/config/aarch64/aarch64.c

@@ -12017,7 +12017,7 @@ aarch64_process_target_attr (tree args)
   unsigned int num_commas = num_occurences_in_str (',', str_to_check);
 
   /* Handle multiple target attributes separated by ','.  */
-  char *token = strtok (str_to_check, ",");
+  char *token = strtok_r (str_to_check, ",", &str_to_check);
 
   unsigned int num_attrs = 0;
   while (token)
@@ -12029,7 +12029,7 @@ aarch64_process_target_attr (tree args)
 	  return false;
 	}
 
-      token = strtok (NULL, ",");
+      token = strtok_r (NULL, ",", &str_to_check);
     }
 
   if (num_attrs != num_commas + 1)