From 5f8881a5913a9554cbc2b5fed7057627b9bb9ece Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Mon, 22 Dec 2014 17:08:08 +0900
Subject: [PATCH] x86: Fix void pointer arithmetic

---
 src/x86/ffiw64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/x86/ffiw64.c b/src/x86/ffiw64.c
index 316f544d..8a33a6c4 100644
--- a/src/x86/ffiw64.c
+++ b/src/x86/ffiw64.c
@@ -190,7 +190,7 @@ ffi_prep_closure_loc (ffi_closure* closure,
     /* nopl  (%rax) */
     0x0f, 0x1f, 0x00
   };
-  void *tramp = closure->tramp;
+  unsigned char *tramp = closure->tramp;
 
   if (cif->abi != FFI_WIN64)
     return FFI_BAD_ABI;