diff --git a/llvm/include/llvm/MC/MCStreamer.h b/llvm/include/llvm/MC/MCStreamer.h
index 7bdba5fa50b5..d7b8fc1a5bb6 100644
--- a/llvm/include/llvm/MC/MCStreamer.h
+++ b/llvm/include/llvm/MC/MCStreamer.h
@@ -470,6 +470,7 @@ namespace llvm {
     void EmitDwarfSetLineAddr(int64_t LineDelta, const MCSymbol *Label,
                               int PointerSize);
 
+    virtual void EmitCompactUnwindEncoding(uint32_t CompactUnwindEncoding);
     virtual void EmitCFISections(bool EH, bool Debug);
     virtual void EmitCFIStartProc();
     virtual void EmitCFIEndProc();
diff --git a/llvm/lib/MC/MCStreamer.cpp b/llvm/lib/MC/MCStreamer.cpp
index 6e96b78e315b..4a717ed12e54 100644
--- a/llvm/lib/MC/MCStreamer.cpp
+++ b/llvm/lib/MC/MCStreamer.cpp
@@ -177,6 +177,12 @@ void MCStreamer::EmitLabel(MCSymbol *Symbol) {
     LastNonPrivate = Symbol;
 }
 
+void MCStreamer::EmitCompactUnwindEncoding(uint32_t CompactUnwindEncoding) {
+  EnsureValidFrame();
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
+  CurFrame->CompactUnwindEncoding = CompactUnwindEncoding;
+}
+
 void MCStreamer::EmitCFISections(bool EH, bool Debug) {
   assert(EH || Debug);
   EmitEHFrame = EH;