* call.c (build_over_call): Use argarray[0] for 'this' argument.

From-SVN: r165968

gcc/cp/ChangeLog

 2010-10-26  Jason Merrill  <jason@redhat.com>
 
+	* call.c (build_over_call): Use argarray[0] for 'this' argument.
+
 	* decl.c (finish_function): Don't look at function_depth.
 
 2010-10-25  Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>

gcc/cp/call.c

@@ -5964,9 +5964,7 @@ build_over_call (struct z_candidate *cand, int flags, tsubst_flags_t complain)
 	 INIT_EXPR to collapse the temp into our target.  Otherwise, if the
 	 ctor is trivial, do a bitwise copy with a simple TARGET_EXPR for a
 	 temp or an INIT_EXPR otherwise.  */
-      fa = (cand->first_arg != NULL_TREE
-	    ? cand->first_arg
-	    : VEC_index (tree, args, 0));
+      fa = argarray[0];
       if (integer_zerop (fa))
 	{
 	  if (TREE_CODE (arg) == TARGET_EXPR)
@@ -6041,6 +6039,7 @@ build_over_call (struct z_candidate *cand, int flags, tsubst_flags_t complain)
 
       return val;
     }
+  /* FIXME handle trivial default constructor and destructor, too.  */
 
   if (!already_used)
     mark_used (fn);