builtins.c (std_canonical_va_list): Treat structure based va_list types.

2008-07-15  Kai Tietz  <kai.tietz@onevision.com>

	* builtins.c (std_canonical_va_list): Treat structure based
	va_list types.

From-SVN: r137819

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 32438121f14615e25ea48c94282cc01af25b9b01..78c6f4388c74f8a75a05d37a9cfbe6da5787356d 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
+
+       * builtins.c (std_canonical_va_list): Treat structure based
+       va_list types.
+
 2008-07-15  Ben Elliston  <bje@au.ibm.com>
 
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.

diff --git a/gcc/builtins.c b/gcc/builtins.c
index 2d6ad2a1a34eed1d21fe5b9524ad32fdc27c1d44..60caa8126d800105b7a2c724e23c596bee1c6159 100644 (file)
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -4691,10 +4691,12 @@ std_canonical_va_list_type (tree type)
     type = TREE_TYPE (type);
   else if (POINTER_TYPE_P (type) && POINTER_TYPE_P (TREE_TYPE(type)))
     type = TREE_TYPE (type);
-
   wtype = va_list_type_node;
   htype = type;
-  if (TREE_CODE (wtype) == ARRAY_TYPE)
+  /* Treat structure va_list types.  */
+  if (TREE_CODE (wtype) == RECORD_TYPE && POINTER_TYPE_P (htype))
+    htype = TREE_TYPE (htype);
+  else if (TREE_CODE (wtype) == ARRAY_TYPE)
     {
       /* If va_list is an array type, the argument may have decayed
         to a pointer type, e.g. by being passed to another function.