[WebAssembly] Remove useless overrides in MCWasmStreamer

[sbc100]

Would you like me to land this for you?

[wingo]

Thanks for the review!

In D91604#2399808, @sbc100 wrote:

Would you like me to land this for you?

Yes please :)

llvm/include/llvm/MC/MCWasmStreamer.h

public:
   void emitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                              unsigned ByteAlignment) override;
 
   void emitZerofill(MCSection *Section, MCSymbol *Symbol = nullptr,
                     uint64_t Size = 0, unsigned ByteAlignment = 0,
                     SMLoc Loc = SMLoc()) override;
   void emitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
                       unsigned ByteAlignment = 0) override;
-  void emitValueImpl(const MCExpr *Value, unsigned Size,
-                     SMLoc Loc = SMLoc()) override;
 
   void emitIdent(StringRef IdentString) override;
 
-  void emitValueToAlignment(unsigned, int64_t, unsigned, unsigned) override;
-
   void finishImpl() override;
 
 private:
   void emitInstToFragment(const MCInst &Inst, const MCSubtargetInfo &) override;
   void emitInstToData(const MCInst &Inst, const MCSubtargetInfo &) override;
 
   /// Merge the content of the fragment \p EF into the fragment \p DF.
   void mergeFragment(MCDataFragment *, MCDataFragment *);
 
   bool SeenIdent;
 };
 
 } // end namespace llvm
 
 #endif

llvm/lib/MC/MCWasmStreamer.cpp

void MCWasmStreamer::emitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
   cast<MCSymbolWasm>(Symbol)->setSize(Value);
 }
 
 void MCWasmStreamer::emitLocalCommonSymbol(MCSymbol *S, uint64_t Size,
                                            unsigned ByteAlignment) {
   llvm_unreachable("Local common symbols are not yet implemented for Wasm");
 }
 
-void MCWasmStreamer::emitValueImpl(const MCExpr *Value, unsigned Size,
-                                   SMLoc Loc) {
-  MCObjectStreamer::emitValueImpl(Value, Size, Loc);
-}
-
-void MCWasmStreamer::emitValueToAlignment(unsigned ByteAlignment, int64_t Value,
-                                          unsigned ValueSize,
-                                          unsigned MaxBytesToEmit) {
-  MCObjectStreamer::emitValueToAlignment(ByteAlignment, Value, ValueSize,
-                                         MaxBytesToEmit);
-}
-
 void MCWasmStreamer::emitIdent(StringRef IdentString) {
   // TODO(sbc): Add the ident section once we support mergable strings
   // sections in the object format
 }
 
 void MCWasmStreamer::emitInstToFragment(const MCInst &Inst,
                                         const MCSubtargetInfo &STI) {
   this->MCObjectStreamer::emitInstToFragment(Inst, STI);