Remove unused emitExterns()

Author: redstar

llvm/include/llvm/MC/MCGOFFStreamer.h

@@ -41,8 +41,6 @@ class MCGOFFStreamer : public MCObjectStreamer {
 
   void emitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                         Align ByteAlignment) override {}
-
-  void emitExterns();
 };
 
 } // end namespace llvm

llvm/lib/MC/MCGOFFStreamer.cpp

@@ -126,8 +126,6 @@ bool MCGOFFStreamer::emitSymbolAttribute(MCSymbol *Sym,
   return goff::setSymbolAttribute(static_cast<MCSymbolGOFF *>(Sym), Attribute);
 }
 
-void MCGOFFStreamer::emitExterns() {}
-
 MCStreamer *llvm::createGOFFStreamer(MCContext &Context,
                                      std::unique_ptr<MCAsmBackend> &&MAB,
                                      std::unique_ptr<MCObjectWriter> &&OW,

llvm/lib/Target/SystemZ/MCTargetDesc/SystemZTargetStreamer.cpp

@@ -71,7 +71,3 @@ const MCExpr *SystemZTargetGOFFStreamer::createWordDiffExpr(
 MCGOFFStreamer &SystemZTargetGOFFStreamer::getGOFFStreamer() {
   return static_cast<MCGOFFStreamer &>(getStreamer());
 }
-
-void SystemZTargetGOFFStreamer::emitExterns() {
-  getGOFFStreamer().emitExterns();
-}

llvm/lib/Target/SystemZ/MCTargetDesc/SystemZTargetStreamer.h

@@ -71,7 +71,6 @@ class SystemZTargetGOFFStreamer : public SystemZTargetStreamer {
 public:
   SystemZTargetGOFFStreamer(MCStreamer &S) : SystemZTargetStreamer(S) {}
   MCGOFFStreamer &getGOFFStreamer();
-  void emitExterns() override;
   const MCExpr *createWordDiffExpr(MCContext &Ctx, const MCSymbol *Hi,
                                    const MCSymbol *Lo) override;
 };