re PR c++/63415 (internal compiler error: unexpected expression…

re PR c++/63415 (internal compiler error: unexpected expression ‘static_cast<int>(std::is_same<T, A1>{})’ of kind static_cast_expr)

	PR c++/63415
	* pt.c (value_dependent_expression_p) [CONSTRUCTOR]: Check the type.
	(iterative_hash_template_arg): Likewise.

From-SVN: r216043

gcc/cp/ChangeLog

 2014-10-09  Jason Merrill  <jason@redhat.com>
 
+	PR c++/63415
+	* pt.c (value_dependent_expression_p) [CONSTRUCTOR]: Check the type.
+	(iterative_hash_template_arg): Likewise.
+
 	PR c++/63437
 	* cp-tree.h (REF_PARENTHESIZED_P): Also allow INDIRECT_REF.
 	* semantics.c (force_paren_expr): And set it.

gcc/cp/pt.c

@@ -1598,6 +1598,7 @@ iterative_hash_template_arg (tree arg, hashval_t val)
     case CONSTRUCTOR:
       {
 	tree field, value;
+	iterative_hash_template_arg (TREE_TYPE (arg), val);
 	FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (arg), i, field, value)
 	  {
 	    val = iterative_hash_template_arg (field, val);
@@ -21062,6 +21063,8 @@ value_dependent_expression_p (tree expression)
       {
 	unsigned ix;
 	tree val;
+	if (dependent_type_p (TREE_TYPE (expression)))
+	  return true;
 	FOR_EACH_CONSTRUCTOR_VALUE (CONSTRUCTOR_ELTS (expression), ix, val)
 	  if (value_dependent_expression_p (val))
 	    return true;

gcc/testsuite/g++.dg/cpp0x/constexpr-initlist8.C

+// PR c++/63415
+// { dg-do compile { target c++11 } }
+
+template <typename T>
+struct A {
+  static constexpr int value = int(T{});
+};