MCObjectStreamer: De-virtualize emitInstToFragment

Author: MaskRay

llvm/include/llvm/MC/MCObjectStreamer.h

@@ -125,7 +125,7 @@ class MCObjectStreamer : public MCStreamer {
 
   /// Emit an instruction to a special fragment, because this instruction
   /// can change its size during relaxation.
-  virtual void emitInstToFragment(const MCInst &Inst, const MCSubtargetInfo &);
+  void emitInstToFragment(const MCInst &Inst, const MCSubtargetInfo &);
 
   void emitBundleAlignMode(Align Alignment) override;
   void emitBundleLock(bool AlignToEnd) override;