From: Fariborz Jahanian <fjahanian@apple.com>
Date: Tue, 2 Mar 2010 01:19:04 +0000 (+0000)
Subject: Cast a pointer to 'long long' to satisfy all compilation models.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=df496529b7009d6e58f335926884200b38d27687;p=clang

Cast a pointer to 'long long' to satisfy all compilation models.
Satisfies radar 7703202.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97532 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Frontend/RewriteObjC.cpp b/lib/Frontend/RewriteObjC.cpp
index 98dee264e9..a13bccbb91 100644
--- a/lib/Frontend/RewriteObjC.cpp
+++ b/lib/Frontend/RewriteObjC.cpp
@@ -640,7 +640,9 @@ void RewriteObjC::Initialize(ASTContext &context) {
     Preamble += "#define __block\n";
     Preamble += "#define __weak\n";
   }
-  Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long) &((TYPE *)0)->MEMBER)\n";
+  // NOTE! Windows uses LLP64 for 64bit mode. So, cast pointer to long long
+  // as this avoids warning in any 64bit/32bit compilation model.
+  Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long long) &((TYPE *)0)->MEMBER)\n";
 }