[wasm] Remove renumbering of local variables from asm->wasm.

test/unittests/wasm/ast-decoder-unittest.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 "test/unittests/test-utils.h"
 
 #include "src/v8.h"
 
 #include "test/cctest/wasm/test-signatures.h"
 
@@ skipping 50 matching lines @@
 #define VERIFY(...)                                          \
   do {                                                       \
     static const byte code[] = {__VA_ARGS__};                \
     Verify(kSuccess, sigs.v_i(), code, code + sizeof(code)); \
   } while (false)
 
 class AstDecoderTest : public TestWithZone {
  public:
   typedef std::pair<uint32_t, LocalType> LocalsDecl;
 
-  AstDecoderTest() : module(nullptr) {}
+  AstDecoderTest() : module(nullptr), local_decls(zone()) {}
+
   TestSignatures sigs;
   ModuleEnv* module;
   LocalDeclEncoder local_decls;
 
   void AddLocals(LocalType type, uint32_t count) {
     local_decls.AddLocals(count, type);
   }
 
   // Prepends local variable declarations and renders nice error messages for
   // verification failures.
@@ skipping 2332 matching lines @@
           pos = ExpectRun(map, pos, kAstF64, d);
         }
       }
     }
   }
 }
 
 TEST_F(LocalDeclDecoderTest, UseEncoder) {
   const byte* data = nullptr;
   const byte* end = nullptr;
-  LocalDeclEncoder local_decls;
+  LocalDeclEncoder local_decls(zone());
 
   local_decls.AddLocals(5, kAstF32);
   local_decls.AddLocals(1337, kAstI32);
   local_decls.AddLocals(212, kAstI64);
   local_decls.Prepend(&data, &end);
 
   AstLocalDecls decls(zone());
   bool result = DecodeLocalDecls(decls, data, end);
   EXPECT_TRUE(result);
   EXPECT_EQ(5 + 1337 + 212, decls.total_local_count);
 
   LocalTypeMap map = Expand(decls);
   size_t pos = 0;
   pos = ExpectRun(map, pos, kAstF32, 5);
   pos = ExpectRun(map, pos, kAstI32, 1337);
   pos = ExpectRun(map, pos, kAstI64, 212);
   delete[] data;
 }
 
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8