[wasm] Remove special memory type for (internal) globals and use local type instead.

src/wasm/encoder.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/signature.h"
 
 #include "src/handles.h"
 #include "src/v8.h"
 #include "src/zone-containers.h"
 
@@ skipping 229 matching lines @@
 uint32_t WasmModuleBuilder::AddImport(const char* name, int name_length,
                                       FunctionSig* sig) {
   imports_.push_back({AddSignature(sig), name, name_length});
   return static_cast<uint32_t>(imports_.size() - 1);
 }
 
 void WasmModuleBuilder::MarkStartFunction(uint32_t index) {
   start_function_index_ = index;
 }
 
-uint32_t WasmModuleBuilder::AddGlobal(MachineType type, bool exported) {
+uint32_t WasmModuleBuilder::AddGlobal(LocalType type, bool exported) {
   globals_.push_back(std::make_pair(type, exported));
   return static_cast<uint32_t>(globals_.size() - 1);
 }
 
 void WasmModuleBuilder::WriteTo(ZoneBuffer& buffer) const {
   uint32_t exports = 0;
 
   // == Emit magic =============================================================
   TRACE("emit magic\n");
   buffer.write_u32(kWasmMagic);
@@ skipping 18 matching lines @@
     FixupSection(buffer, start);
   }
 
   // == Emit globals ===========================================================
   if (globals_.size() > 0) {
     size_t start = EmitSection(WasmSection::Code::Globals, buffer);
     buffer.write_size(globals_.size());
 
     for (auto global : globals_) {
       buffer.write_u32v(0);  // Length of the global name.
-      buffer.write_u8(WasmOpcodes::MemTypeCodeFor(global.first));
+      buffer.write_u8(WasmOpcodes::LocalTypeCodeFor(global.first));
       buffer.write_u8(global.second);
     }
     FixupSection(buffer, start);
   }
 
   // == Emit imports ===========================================================
   if (imports_.size() > 0) {
     size_t start = EmitSection(WasmSection::Code::ImportTable, buffer);
     buffer.write_size(imports_.size());
     for (auto import : imports_) {
@@ skipping 73 matching lines @@
 
     for (auto segment : data_segments_) {
       segment->Write(buffer);
     }
     FixupSection(buffer, start);
   }
 }
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8