call.c (build_new_op): Strip leading REF_BIND from first operand to builtin operator.

	* call.c (build_new_op): Strip leading REF_BIND from first operand
	to builtin operator.

	* decl2.c (mark_vtable_entries): Mark abort_fndecl as used when we
	use its RTL.

From-SVN: r15023

gcc/cp/ChangeLog

+Mon Sep  1 13:19:04 1997  Jason Merrill  <jason@yorick.cygnus.com>
+
+	* call.c (build_new_op): Strip leading REF_BIND from first operand
+	to builtin operator.
+
+	* decl2.c (mark_vtable_entries): Mark abort_fndecl as used when we
+	use its RTL.
+
 Thu Aug 28 09:45:23 1997  Jason Merrill  <jason@yorick.cygnus.com>
 
 	* call.c (null_ptr_cst_p): Remove support for (void*)0.

gcc/cp/call.c

@@ -4579,6 +4579,7 @@ build_new_op (code, flags, arg1, arg2, arg3)
   tree fns, mem_arglist, arglist, fnname;
   enum tree_code code2 = NOP_EXPR;
   tree templates = NULL_TREE;
+  tree conv;
 
   if (arg1 == error_mark_node
       || arg2 == error_mark_node
@@ -4860,8 +4861,13 @@ build_new_op (code, flags, arg1, arg2, arg3)
 	}
     }
 
-  arg1 = convert_from_reference
-    (convert_like (TREE_VEC_ELT (cand->convs, 0), arg1));
+  /* We need to strip any leading REF_BIND so that bitfields don't cause
+     errors.  This should not remove any important conversions, because
+     builtins don't apply to class objects directly.  */
+  conv = TREE_VEC_ELT (cand->convs, 0);
+  if (TREE_CODE (conv) == REF_BIND)
+    conv = TREE_OPERAND (conv, 0);
+  arg1 = convert_like (conv, arg1);
   if (arg2)
     arg2 = convert_like (TREE_VEC_ELT (cand->convs, 1), arg2);
   if (arg3)

gcc/cp/decl2.c

@@ -2343,6 +2343,7 @@ mark_vtable_entries (decl)
 	{
 	  TREE_OPERAND (fnaddr, 0) = fn = copy_node (fn);
 	  DECL_RTL (fn) = DECL_RTL (abort_fndecl);
+	  mark_used (abort_fndecl);
 	}
       if (TREE_CODE (fn) == THUNK_DECL && DECL_EXTERNAL (fn))
 	{