re PR c++/36943 ([c++0x] Use of nested C++0x initializer list for non-aggregate rejected)

        PR c++/36943
        * decl.c (reshape_init_r): Allow C++0x initializer lists.

From-SVN: r138221

gcc/cp/ChangeLog

+2008-07-27  Jason Merrill  <jason@redhat.com>
+
+	PR c++/36943
+	* decl.c (reshape_init_r): Allow C++0x initializer lists.
+
 2008-07-28  Richard Guenther  <rguenther@suse.de>
 
 	Merge from gimple-tuples-branch.

gcc/cp/decl.c

@@ -4786,15 +4786,20 @@ reshape_init_r (tree type, reshape_iter *d, bool first_initializer_p)
   if (!CP_AGGREGATE_TYPE_P (type))
     {
       /* It is invalid to initialize a non-aggregate type with a
-	 brace-enclosed initializer.
+	 brace-enclosed initializer before C++0x.
 	 We need to check for BRACE_ENCLOSED_INITIALIZER_P here because
 	 of g++.old-deja/g++.mike/p7626.C: a pointer-to-member constant is
 	 a CONSTRUCTOR (with a record type).  */
       if (TREE_CODE (init) == CONSTRUCTOR
 	  && BRACE_ENCLOSED_INITIALIZER_P (init))  /* p7626.C */
 	{
-	  error ("braces around scalar initializer for type %qT", type);
-	  init = error_mark_node;
+	  if (SCALAR_TYPE_P (type))
+	    {
+	      error ("braces around scalar initializer for type %qT", type);
+	      init = error_mark_node;
+	    }
+	  else
+	    maybe_warn_cpp0x ("extended initializer lists");
 	}
 
       d->cur++;

gcc/testsuite/g++.dg/cpp0x/initlist1.C

@@ -56,6 +56,9 @@ void i(initializer_list<int> l)
   if (p != l.end()) abort();
 }
 
+struct U { U(int, int) {} };
+U ua[] = { { 3, 2 } };
+
 int main()
 {
   g({1,2,3});