Forward isFunctionEHFrameSymbolPrivate. If it is false, produce the foo.eh
symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130375 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index 566c090..ec2bcf8 100644
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -17,6 +17,7 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCObjectWriter.h"
 #include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Twine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
@@ -713,6 +714,12 @@
   MCSymbol *fdeEnd = context.CreateTempSymbol();
   const TargetAsmInfo &asmInfo = context.getTargetAsmInfo();
 
+  if (!asmInfo.isFunctionEHFrameSymbolPrivate()) {
+    Twine EHName = frame.Function->getName() + Twine(".eh");
+    MCSymbol *EHSym = context.GetOrCreateSymbol(EHName);
+    streamer.EmitLabel(EHSym);
+  }
+
   // Length
   const MCExpr *Length = MakeStartMinusEndExpr(streamer, *fdeStart, *fdeEnd, 0);
   streamer.EmitAbsValue(Length, 4);