diff --git a/lib/Target/X86/X86MCAsmInfo.cpp b/lib/Target/X86/X86MCAsmInfo.cpp
index 23ce3e6c8e2..bbe2e774914 100644
--- a/lib/Target/X86/X86MCAsmInfo.cpp
+++ b/lib/Target/X86/X86MCAsmInfo.cpp
@@ -76,6 +76,7 @@ X86MCAsmInfoDarwin::X86MCAsmInfoDarwin(const Triple &Triple) {
 
 const MCExpr *
 X86_64MCAsmInfoDarwin::getExprForPersonalitySymbol(const MCSymbol *Sym,
+                                                   unsigned Encoding,
                                                    MCStreamer &Streamer) const {
   MCContext &Context = Streamer.getContext();
   const MCExpr *Res =
diff --git a/lib/Target/X86/X86MCAsmInfo.h b/lib/Target/X86/X86MCAsmInfo.h
index 942797840d5..2cd4c8eb30e 100644
--- a/lib/Target/X86/X86MCAsmInfo.h
+++ b/lib/Target/X86/X86MCAsmInfo.h
@@ -29,6 +29,7 @@ namespace llvm {
     explicit X86_64MCAsmInfoDarwin(const Triple &Triple);
     virtual const MCExpr *
     getExprForPersonalitySymbol(const MCSymbol *Sym,
+                                unsigned Encoding,
                                 MCStreamer &Streamer) const;
   };