--- a/gnat/types.ads	2011-02-20 18:36:04.908263103 +0300
+++ b/gnat/types.ads	2011-02-20 18:36:31.516261668 +0300
@@ -200,7 +200,6 @@
    --  Source_Buffer_Ptr, see Osint.Read_Source_File for details.
 
    type Source_Buffer_Ptr is access all Big_Source_Buffer;
-   for Source_Buffer_Ptr'Storage_Size use 0;
    --  Pointer to source buffer. We use virtual origin addressing for source
    --  buffers, with thin pointers. The pointer points to a virtual instance
    --  of type Big_Source_Buffer, where the actual type is in fact of type