From a6cf7a62a7adc45680597ae2630a268d8d548517 Mon Sep 17 00:00:00 2001
From: Chad Rosier <mcrosier@apple.com>
Date: Tue, 23 Oct 2012 23:42:06 +0000
Subject: [PATCH] [ms-inline asm] Offset operator - the size should be based on
 the size of a pointer, not the size of the variable. Part of rdar://12470317

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166526 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/AsmParser/X86AsmParser.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 1f4e8dae271..b82bbdf9130 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -774,6 +774,10 @@ X86Operand *X86AsmParser::ParseIntelMemOperand(unsigned SegReg, SMLoc Start) {
                               Tok.getString() == "OFFSET")) {
     OffsetOf = true;
     OffsetOfLoc = Parser.getTok().getLoc();
+
+    // Size is based on the size of a pointer, not the size of the variable.
+    assert (!Size && "Unexpected size!");
+    Size = is64BitMode() ? 64 : 32;
     Parser.Lex(); // Eat offset.
   }