--- old/src/cpu/x86/vm/assembler_x86_32.hpp	Tue May 27 22:58:45 2008
+++ new/src/cpu/x86/vm/assembler_x86_32.hpp	Tue May 27 22:58:45 2008
@@ -1054,7 +1054,7 @@
   // range (0 <= offset <= page_size).
 
   void null_check(Register reg, int offset = -1);
-  static bool needs_explicit_null_check(int offset);
+  static bool needs_explicit_null_check(intptr_t offset);
 
   // Required platform-specific helpers for Label::patch_instructions.
   // They _shadow_ the declarations in AbstractAssembler, which are undefined.