1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Support/Windows/WindowsSupport.h b/llvm/lib/Support/Windows/WindowsSupport.h
index 2e2e97430b7..bb7e79b8601 100644
--- a/llvm/lib/Support/Windows/WindowsSupport.h
+++ b/llvm/lib/Support/Windows/WindowsSupport.h
@@ -41,6 +41,7 @@
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/Chrono.h"
 #include "llvm/Support/Compiler.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/VersionTuple.h"
 #include <cassert>
 #include <string>
@@ -66,6 +67,13 @@ llvm::VersionTuple GetWindowsOSVersion();
 
 bool MakeErrMsg(std::string *ErrMsg, const std::string &prefix);
 
+// Include GetLastError() in a fatal error message.
+LLVM_ATTRIBUTE_NORETURN inline void ReportLastErrorFatal(const char *Msg) {
+  std::string ErrMsg;
+  MakeErrMsg(&ErrMsg, Msg);
+  llvm::report_fatal_error(ErrMsg);
+}
+
 template <typename HandleTraits>
 class ScopedHandle {
   typedef typename HandleTraits::handle_type handle_type;