commit bash-20180921 snapshot

lib/sh/pathphys.c

@@ -245,7 +245,7 @@ error:
       if (result[2] == '\0')	/* short-circuit for bare `//' */
 	result[1] = '\0';
       else
-	strcpy (result, result + 1);
+	memmove (result, result + 1, strlen (result + 1) + 1);
     }
 
   return (result);