typeck.c (build_component_ref): Make sure FIELD has a lang_specific piece before...

	* typeck.c (build_component_ref): Make sure FIELD has a lang_specific
	piece before checking DECL_MUTABLE_P.

From-SVN: r20406

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 37ebb1b2cb2d7f50fa564a2a2a9e37de946be84d..72f629adfc6c2b244860296ae2b9259b7686e6d1 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+1998-06-10  Brendan Kehoe  <brendan@cygnus.com>
+
+       * typeck.c (build_component_ref): Make sure FIELD has a lang_specific
+       piece before checking DECL_MUTABLE_P.
+
 1998-06-10  John Carr  <jfc@mit.edu>
 
        * tree.c (debug_binfo): Make printf format match arguments.

diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c
index 81563983a613f57297634d5be3cc69356cf2a6b3..b3a40785969e871a9c5c93bd0f943022399f0aab 100644 (file)
--- a/gcc/cp/typeck.c
+++ b/gcc/cp/typeck.c
@@ -2114,7 +2114,7 @@ build_component_ref (datum, component, basetype_path, protect)
     TREE_READONLY (ref) = 1;
   if (TREE_THIS_VOLATILE (datum) || TREE_THIS_VOLATILE (field))
     TREE_THIS_VOLATILE (ref) = 1;
-  if (DECL_MUTABLE_P (field))
+  if (DECL_LANG_SPECIFIC (field) && DECL_MUTABLE_P (field))
     TREE_READONLY (ref) = 0;
 
   return ref;