re PR c++/56772 (placement new operator does not work inside function template for array types.)

	PR c++/56772
	* init.c (build_new): Don't try to process an array initializer
	at template definition time.

From-SVN: r197326

gcc/cp/ChangeLog

 2013-04-01  Jason Merrill  <jason@redhat.com>
 
+	PR c++/56772
+	* init.c (build_new): Don't try to process an array initializer
+	at template definition time.
+
 	PR c++/56793
 	* typeck.c (finish_class_member_access_expr): Handle enum scope.
 

gcc/cp/init.c

@@ -2920,6 +2920,7 @@ build_new (vec<tree, va_gc> **placement, tree type, tree nelts,
       if (dependent_type_p (type)
 	  || any_type_dependent_arguments_p (*placement)
 	  || (nelts && type_dependent_expression_p (nelts))
+	  || (nelts && *init)
 	  || any_type_dependent_arguments_p (*init))
 	return build_raw_new_expr (*placement, type, nelts, *init,
 				   use_global_new);

gcc/testsuite/g++.dg/cpp0x/initlist68.C

+// PR c++/56772
+// { dg-require-effective-target c++11 }
+
+typedef __SIZE_TYPE__ size_t;
+void* operator new[](size_t, void *p) { return p; }
+template <typename T = size_t>
+void f ()
+{
+  size_t coord [2][2];
+  new (&coord) size_t [2][2]
+   {
+     {0,0},
+     {0,0},
+   };
+}
+
+int main ()
+{
+   f<>();
+}