- Fix typo in check_for_nested_with_variably_modified present

- Implement -Wvariable-decl.
- Port -Wtrampolines support from gcc3.
(all three also via OpenBSD)

PR:		gnu/127136, gnu/157019
Submitted by:	Henning Petersen, Pedro Giffuni
MFC after:	6 weeks

1 files changed, 5 insertions, 1 deletions

diff --git a/contrib/gcc/tree-nested.c b/contrib/gcc/tree-nested.c
index 06fbbc9..9efcd98 100644
--- a/contrib/gcc/tree-nested.c
+++ b/contrib/gcc/tree-nested.c
@@ -750,7 +750,7 @@ check_for_nested_with_variably_modified (tree fndecl, tree orig_fndecl)
   for (cgn = cgn->nested; cgn ; cgn = cgn->next_nested)
     {
       for (arg = DECL_ARGUMENTS (cgn->decl); arg; arg = TREE_CHAIN (arg))
-	if (variably_modified_type_p (TREE_TYPE (arg), 0), orig_fndecl)
+	if (variably_modified_type_p (TREE_TYPE (arg), orig_fndecl))
 	  return true;
 
       if (check_for_nested_with_variably_modified (cgn->decl, orig_fndecl))
@@ -1621,6 +1621,10 @@ convert_tramp_reference (tree *tp, int *walk_subtrees, void *data)
 	 it doesn't need a trampoline.  */
       if (DECL_NO_STATIC_CHAIN (decl))
 	break;
+      if (warn_trampolines)
+	{
+	warning(0, "local function address taken needing trampoline generation");
+	}
 
       /* Lookup the immediate parent of the callee, as that's where
 	 we need to insert the trampoline.  */