From 21b70b237d404ebdde190a072d90f630db92f691 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Wed, 30 Jan 2008 17:43:03 +0000
Subject: [PATCH] Enable exception handling if it is supported.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46560 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/lto/lto.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/lto/lto.cpp b/tools/lto/lto.cpp
index 99024589f19..963c67ee7d9 100644
--- a/tools/lto/lto.cpp
+++ b/tools/lto/lto.cpp
@@ -31,6 +31,7 @@
 #include "llvm/Analysis/Verifier.h"
 #include "llvm/CodeGen/FileWriters.h"
 #include "llvm/Target/SubtargetFeature.h"
+#include "llvm/Target/TargetOptions.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetMachineRegistry.h"
@@ -266,7 +267,11 @@ LTO::optimize(Module *M, std::ostream &Out,
 
   if (!Target)
     return LTO_NO_TARGET;
-  
+
+  // If target supports exception handling then enable it now.
+  if (Target->getTargetAsmInfo()->doesSupportExceptionHandling())
+    ExceptionHandling = true;
+
   // Start off with a verification pass.
   Passes.add(createVerifierPass());