From c2d561808387ac41e235b463d6187e3328b03a9b Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Wed, 1 Apr 2009 19:49:42 +0000
Subject: [PATCH] Fixes a problem where the compiler is reporting the wrong
 size to the Gnu runtime on 64-bit architectures. Patch by David Chisnall

llvm-svn: 68238
---
 clang/lib/CodeGen/CGObjCGNU.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/clang/lib/CodeGen/CGObjCGNU.cpp b/clang/lib/CodeGen/CGObjCGNU.cpp
index f1d43e9d121c..fc77c805f426 100644
--- a/clang/lib/CodeGen/CGObjCGNU.cpp
+++ b/clang/lib/CodeGen/CGObjCGNU.cpp
@@ -969,8 +969,9 @@ llvm::Function *CGObjCGNU::ModuleInitFunction() {
   Elements.clear();
   // Runtime version used for compatibility checking.
   Elements.push_back(llvm::ConstantInt::get(LongTy, RuntimeVersion));
-  //FIXME: Should be sizeof(ModuleTy)
-  Elements.push_back(llvm::ConstantInt::get(LongTy, 16));
+  // sizeof(ModuleTy)
+  llvm::TargetData td = llvm::TargetData::TargetData(&TheModule);
+  Elements.push_back(llvm::ConstantInt::get(LongTy, td.getTypeSizeInBits(ModuleTy)/8));
   //FIXME: Should be the path to the file where this module was declared
   Elements.push_back(NULLPtr);
   Elements.push_back(SymTab);