From c6a2f2140bf8b02f45c0f4740fe1b75696b56de4 Mon Sep 17 00:00:00 2001
From: Aaron Ballman <aaron@aaronballman.com>
Date: Tue, 16 Feb 2016 15:35:51 +0000
Subject: [PATCH] A signed bitfield's range is [-1,0], so assigning 1 is
 technically an overflow. However, the other bitfield requires a signed value
 (it supports negative offsets), so it is slightly better to retain a signed
 1-bit bitfield and use -1 instead of 1. Silences an MSVC warning.

llvm-svn: 260973
---
 llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index 9218579..84b3586 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -495,7 +495,7 @@ void CodeViewDebug::emitDebugInfoForFunction(const Function *GV,
 CodeViewDebug::LocalVarDefRange
 CodeViewDebug::createDefRangeMem(uint16_t CVRegister, int Offset) {
   LocalVarDefRange DR;
-  DR.InMemory = 1;
+  DR.InMemory = -1;
   DR.DataOffset = Offset;
   assert(DR.DataOffset == Offset && "truncation");
   DR.StructOffset = 0;
-- 
2.7.4