[COFF] Move MinGW specific functions/classes to a separate file. NFC.

Differential Revision: https://reviews.llvm.org/D39067

llvm-svn: 316178

1 files changed, 2 insertions, 0 deletions

diff --git a/lld/include/lld/Common/LLVM.h b/lld/include/lld/Common/LLVM.h
index b5d0e2bffb0..582abfb339f 100644
--- a/lld/include/lld/Common/LLVM.h
+++ b/lld/include/lld/Common/LLVM.h
@@ -25,6 +25,7 @@ namespace llvm {
   // ADT's.
   class Error;
   class StringRef;
+  template<typename T> class StringSet;
   class Twine;
   class MemoryBuffer;
   class MemoryBufferRef;
@@ -57,6 +58,7 @@ namespace lld {
   // ADT's.
   using llvm::Error;
   using llvm::StringRef;
+  using llvm::StringSet;
   using llvm::Twine;
   using llvm::MemoryBuffer;
   using llvm::MemoryBufferRef;