From a13d14a1290bc2c8b2e25a51ec4ae4e9bc8cd215 Mon Sep 17 00:00:00 2001
From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Fri, 22 Oct 2010 14:53:59 +0000
Subject: [PATCH] lli: On Cygwin-1.5, lli crashes at invoking destructors in
 atexit handler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117095 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/lli/lli.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tools/lli/lli.cpp b/tools/lli/lli.cpp
index 4c377805e6a..adc6e90eb99 100644
--- a/tools/lli/lli.cpp
+++ b/tools/lli/lli.cpp
@@ -33,6 +33,14 @@
 #include "llvm/System/Signals.h"
 #include "llvm/Target/TargetSelect.h"
 #include <cerrno>
+
+#ifdef __CYGWIN__
+#include <cygwin/version.h>
+#if defined(CYGWIN_VERSION_DLL_MAJOR) && CYGWIN_VERSION_DLL_MAJOR<1007
+#define DO_NOTHING_ATEXIT 1
+#endif
+#endif
+
 using namespace llvm;
 
 namespace {
@@ -99,8 +107,11 @@ namespace {
 static ExecutionEngine *EE = 0;
 
 static void do_shutdown() {
+  // Cygwin-1.5 invokes DLL's dtors before atexit handler.
+#ifndef DO_NOTHING_ATEXIT
   delete EE;
   llvm_shutdown();
+#endif
 }
 
 //===----------------------------------------------------------------------===//