[WebAssembly] Remove an unused data member. NFC.

llvm-svn: 258192
diff --git a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCCodeEmitter.cpp b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCCodeEmitter.cpp
index f409bd7..de62315 100644
--- a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCCodeEmitter.cpp
+++ b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCCodeEmitter.cpp
@@ -33,7 +33,6 @@
 namespace {
 class WebAssemblyMCCodeEmitter final : public MCCodeEmitter {
   const MCInstrInfo &MCII;
-  const MCContext &Ctx;
 
   // Implementation generated by tablegen.
   uint64_t getBinaryCodeForInstr(const MCInst &MI,
@@ -45,14 +44,13 @@
                          const MCSubtargetInfo &STI) const override;
 
 public:
-  WebAssemblyMCCodeEmitter(const MCInstrInfo &mcii, MCContext &ctx)
-      : MCII(mcii), Ctx(ctx) {}
+  WebAssemblyMCCodeEmitter(const MCInstrInfo &mcii)
+      : MCII(mcii) {}
 };
 } // end anonymous namespace
 
-MCCodeEmitter *llvm::createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII,
-                                                    MCContext &Ctx) {
-  return new WebAssemblyMCCodeEmitter(MCII, Ctx);
+MCCodeEmitter *llvm::createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII) {
+  return new WebAssemblyMCCodeEmitter(MCII);
 }
 
 void WebAssemblyMCCodeEmitter::encodeInstruction(
diff --git a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp
index 37000f1..cf88f5f 100644
--- a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp
+++ b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp
@@ -63,8 +63,8 @@
 
 static MCCodeEmitter *createCodeEmitter(const MCInstrInfo &MCII,
                                         const MCRegisterInfo & /*MRI*/,
-                                        MCContext &Ctx) {
-  return createWebAssemblyMCCodeEmitter(MCII, Ctx);
+                                        MCContext & /*Ctx*/) {
+  return createWebAssemblyMCCodeEmitter(MCII);
 }
 
 static MCAsmBackend *createAsmBackend(const Target & /*T*/,
diff --git a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h
index 9bac4f8..a87d743f 100644
--- a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h
+++ b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h
@@ -33,8 +33,7 @@
 extern Target TheWebAssemblyTarget32;
 extern Target TheWebAssemblyTarget64;
 
-MCCodeEmitter *createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII,
-                                              MCContext &Ctx);
+MCCodeEmitter *createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII);
 
 MCAsmBackend *createWebAssemblyAsmBackend(const Triple &TT);