Fix regression introduced with patch for c++/775

cp:
	Fix regression introduced with patch for c++/775
	* parse.y (class_head_defn): Check for template specializations
	with a different class-key.
testsuite:
	* g++.dg/template/access1.C: New test.

From-SVN: r49016

gcc/cp/ChangeLog

+2002-01-19  Nathan Sidwell  <nathan@codesourcery.com>
+
+	Fix regression introduced with patch for c++/775
+	* parse.y (class_head_defn): Check for template specializations
+	with a different class-key.
+
 2002-01-17  Jason Merrill  <jason@redhat.com>
 
 	* decl.c (begin_constructor_body, begin_destructor_body): New fns.

gcc/cp/parse.y

@@ -2434,12 +2434,22 @@ class_head_defn:
 		  yyungetc ('{', 1);
 		  $$.t = $1;
 		  $$.new_type_flag = 0;
+		  if (TREE_CODE (TREE_TYPE ($1)) == RECORD_TYPE)
+		    /* We might be specializing a template with a different
+		       class-key.  */
+		    CLASSTYPE_DECLARED_CLASS (TREE_TYPE ($1))
+		      = (current_aggr == class_type_node);
 		}
 	| class_head_apparent_template ':'
 		{
 		  yyungetc (':', 1);
 		  $$.t = $1;
 		  $$.new_type_flag = 0;
+		  if (TREE_CODE (TREE_TYPE ($1)) == RECORD_TYPE)
+		    /* We might be specializing a template with a different
+		       class-key.  */
+		    CLASSTYPE_DECLARED_CLASS (TREE_TYPE ($1))
+		      = (current_aggr == class_type_node);
 		}
 	| aggr identifier_defn '{'
 		{

gcc/testsuite/ChangeLog

+2002-01-19  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* g++.dg/template/access1.C: New test.
+
 2002-01-18  Aldy Hernandez  <aldyh@redhat.com>
 
         * gcc.dg/20020118-1.c: New.

gcc/testsuite/g++.dg/template/access1.C

+// { dg-do compile }
+
+// Copyright (C) 2001 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 19 Jan 2002 <nathan@codesourcery.com>
+
+// It is legal to specialize a template with a different class-key.
+
+template<typename T> class X;
+
+template<typename T> struct X<T *>
+{
+  int i;
+};
+template<> struct X<int>
+{
+  int i;
+};
+
+void foo ()
+{
+  X<int *> xip;
+  X<int> xi;
+
+  xip.i;
+  xi.i;
+}
+