From 97ecde297e2b49fc6445c233cb95d8cd1c341b2d Mon Sep 17 00:00:00 2001
From: Luca Bruno <lucab@debian.org>
Date: Mon, 8 Oct 2012 21:40:09 +0200
Subject: [PATCH] Conditional usage of LLVM DebugFlag

DebugFlag is conditionally exported by LLVM in llvm/Support/Debug.h
in-between an #ifndef NDEBUG block; RustWrapper should not
unconditionally use it. This closes #3701.

Signed-off-by: Luca Bruno <lucab@debian.org>
---
 src/rustllvm/RustWrapper.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/rustllvm/RustWrapper.cpp b/src/rustllvm/RustWrapper.cpp
index fc2049507eed9..498a4e137f0e3 100644
--- a/src/rustllvm/RustWrapper.cpp
+++ b/src/rustllvm/RustWrapper.cpp
@@ -493,5 +493,7 @@ extern "C" LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B,
 }
 
 extern "C" void LLVMSetDebug(int Enabled) {
+#ifndef NDEBUG
   DebugFlag = Enabled;
+#endif
 }