Win32/Signals.inc: DontRemoveFileOnSignal(): Please acquire the CriticalSection.

It choked BugPoint on Mingw.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117083 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/System/Win32/Signals.inc b/lib/System/Win32/Signals.inc
index 4bafe41d311e3709445a35957604dc6f8247fe84..8f880f7fdf66ce10c9c84133eab5134b1d642c2b 100644 (file)
--- a/lib/System/Win32/Signals.inc
+++ b/lib/System/Win32/Signals.inc
@@ -143,6 +143,8 @@ void sys::DontRemoveFileOnSignal(const sys::Path &Filename) {
   if (FilesToRemove == NULL)
     return;
 
+  RegisterHandler();
+
   FilesToRemove->push_back(Filename);
   std::vector<sys::Path>::reverse_iterator I =
   std::find(FilesToRemove->rbegin(), FilesToRemove->rend(), Filename);