tree.c (valid_machine_attribute): Only create a new type variant if there is a decl...

* tree.c (valid_machine_attribute): Only create a new type variant if
there is a decl to use it.

From-SVN: r21246

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 40ebcc6d5254969547647640a65cc46bbc6d4381..360fa628dbd02ca7d20d175e117c29a464c048c7 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Fri Jul 17 03:26:12 1998  Rihcard Earnshaw (rearnsha@arm.com)
+
+       * tree.c (valid_machine_attribute): Only create a new type variant if
+       there is a decl to use it.
+
 Fri Jul 17 02:01:00 1998  Jeffrey A Law  (law@cygnus.com)
 
        * Makefile.in (WARN_CFLAGS): Disable -W -Wall for the release

diff --git a/gcc/tree.c b/gcc/tree.c
index ec42643f333e780cf51789cd4422a7fa0afe3b07..b02e87e8af45686b9a7269e1ca062cd025d77f96 100644 (file)
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -3391,8 +3391,14 @@ valid_machine_attribute (attr_name, attr_args, decl, type)
        }
       else
        {
+         /* If this is part of a declaration, create a type variant,
+            otherwise, this is part of a type definition, so add it 
+            to the base type.  */
          type_attr_list = tree_cons (attr_name, attr_args, type_attr_list);
-         type = build_type_attribute_variant (type, type_attr_list);
+         if (decl != 0)
+           type = build_type_attribute_variant (type, type_attr_list);
+         else
+           TYPE_ATTRIBUTES (type) = type_attr_list;
        }
       if (decl != 0)
        TREE_TYPE (decl) = type;