tree.c (lvalue_p_1): Use DECL_C_BIT_FIELD to check for bitfields, rather than DECL_BIT_FIELD.

	* tree.c (lvalue_p_1): Use DECL_C_BIT_FIELD to check for
	bitfields, rather than DECL_BIT_FIELD.
	* ir.texi: Document how to tell whether or not a field is a
	bitfield.

	* lex.c (make_lang_type): Fix typo in comment.

From-SVN: r29781

gcc/cp/ChangeLog

+1999-10-03  Mark Mitchell  <mark@codesourcery.com>
+
+	* tree.c (lvalue_p_1): Use DECL_C_BIT_FIELD to check for
+	bitfields, rather than DECL_BIT_FIELD.
+	* ir.texi: Document how to tell whether or not a field is a
+	bitfield.
+	
+	* lex.c (make_lang_type): Fix typo in comment.
+
 1999-10-01  Jason Merrill  <jason@yorick.cygnus.com>
 
 	* typeck.c (decay_conversion): Strip cv-quals from non-class rvalues.

gcc/cp/ir.texi

@@ -842,7 +842,7 @@ These nodes represent non-static data members.  The @code{DECL_SIZE} and
 @code{INTEGER_CST}.  These values are indexed from zero, where zero
 indicates the first bit in the object.
 
-FIXME: Talk about bitfields.
+If @code{DECL_C_BIT_FIELD} holds, this field is a bitfield.
 
 @item NAMESPACE_DECL
 @xref{Namespaces}.

gcc/cp/lex.c

@@ -4830,7 +4830,7 @@ make_lang_type (code)
        clear it here.  */
     TYPE_ALIAS_SET (t) = 0;
 
-  /* We need to allocate a TYPE_BINFO even for TEMPALTE_TYPE_PARMs
+  /* We need to allocate a TYPE_BINFO even for TEMPLATE_TYPE_PARMs
      since they can be virtual base types, and we then need a
      canonical binfo for them.  Ideally, this would be done lazily for
      all types.  */

gcc/cp/tree.c

@@ -86,7 +86,7 @@ lvalue_p_1 (ref, treat_class_rvalues_as_lvalues)
 	  /* The "field" can be a FUNCTION_DECL or an OVERLOAD in some
 	     situations.  */
 	  && TREE_CODE (TREE_OPERAND (ref, 1)) == FIELD_DECL
-	  && DECL_BIT_FIELD (TREE_OPERAND (ref, 1)))
+	  && DECL_C_BIT_FIELD (TREE_OPERAND (ref, 1)))
 	{
 	  /* Clear the ordinary bit.  If this object was a class
 	     rvalue we want to preserve that information.  */

gcc/testsuite/g++.old-deja/g++.other/bitfld4.C

+// Build don't link:
+// Origin: "Chen, Wen-Ke" <chwk@cs.arizona.edu>
+
+template <class T>
+bool operator!=(const T&, const T&);
+
+enum MsgType {
+  MSG_DATA
+};
+
+class C {
+public:
+  MsgType mType : 8;
+};
+
+int main(void)
+{
+  extern C& c;
+
+  c.mType = MSG_DATA; 
+  if (c.mType != MSG_DATA)
+    return -1;
+
+  return 0;
+}