re PR c++/52596 ([C++11] internal compiler error: in lvalue_kind, at cp/tree.c:153)

	PR c++/52596
	* semantics.c (finish_non_static_data_member): In templates, pass
	the decl to build_qualified_name.
	* tree.c (lvalue_kind) [SCOPE_REF]: Handle FIELD_DECL.

From-SVN: r186187

gcc/cp/ChangeLog

+2012-04-05  Jason Merrill  <jason@redhat.com>
+
+	PR c++/52596
+	* semantics.c (finish_non_static_data_member): In templates, pass
+	the decl to build_qualified_name.
+	* tree.c (lvalue_kind) [SCOPE_REF]: Handle FIELD_DECL.
+
 2012-04-04  Jason Merrill  <jason@redhat.com>
 
 	PR c++/52845

gcc/cp/semantics.c

@@ -1590,7 +1590,7 @@ finish_non_static_data_member (tree decl, tree object, tree qualifying_scope)
   else if (processing_template_decl)
     return build_qualified_name (TREE_TYPE (decl),
 				 qualifying_scope,
-				 DECL_NAME (decl),
+				 decl,
 				 /*template_p=*/false);
   else
     {

gcc/cp/tree.c

@@ -151,8 +151,14 @@ lvalue_kind (const_tree ref)
       /* A scope ref in a template, left as SCOPE_REF to support later
 	 access checking.  */
     case SCOPE_REF:
-      gcc_assert (!type_dependent_expression_p (CONST_CAST_TREE(ref)));
-      return lvalue_kind (TREE_OPERAND (ref, 1));
+      gcc_assert (!type_dependent_expression_p (CONST_CAST_TREE (ref)));
+      {
+	tree op = TREE_OPERAND (ref, 1);
+	if (TREE_CODE (op) == FIELD_DECL)
+	  return (DECL_C_BIT_FIELD (op) ? clk_bitfield : clk_ordinary);
+	else
+	  return lvalue_kind (op);
+      }
 
     case MAX_EXPR:
     case MIN_EXPR:

gcc/testsuite/ChangeLog

+2012-04-05  Jason Merrill  <jason@redhat.com>
+
+	PR c++/52596
+	* g++.dg/template/qualified-id5.C: New.
+
 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/52882

gcc/testsuite/g++.dg/template/qualified-id5.C

+// PR c++/52596
+
+struct msgpack_zone_finalizer_array {
+    int* tail;
+};
+struct msgpack_zone {
+    msgpack_zone_finalizer_array finalizer_array;
+};
+struct zone : public msgpack_zone {
+    template <typename T> T* allocate();
+
+};
+template <typename T>
+T* zone::allocate()
+{
+  --msgpack_zone::finalizer_array.tail;
+}