[wasm] Remove the use of the "external" bit on OldFunctions section.

test/cctest/wasm/wasm-run-utils.h

 // Copyright 2016 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.
 
 #ifndef WASM_RUN_UTILS_H
 #define WASM_RUN_UTILS_H
 
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 150 matching lines @@
     rng.NextBytes(raw, end - raw);
   }
 
   uint32_t AddFunction(FunctionSig* sig, Handle<Code> code) {
     if (module->functions.size() == 0) {
       // TODO(titzer): Reserving space here to avoid the underlying WasmFunction
       // structs from moving.
       module->functions.reserve(kMaxFunctions);
     }
     uint32_t index = static_cast<uint32_t>(module->functions.size());
-    module->functions.push_back(
-        {sig, index, 0, 0, 0, 0, 0, 0, 0, 0, 0, false, false});
+    module->functions.push_back({sig, index, 0, 0, 0, 0, 0, 0, 0, 0, 0, false});
     instance->function_code.push_back(code);
     DCHECK_LT(index, kMaxFunctions);  // limited for testing.
     return index;
   }
 
   uint32_t AddJsFunction(FunctionSig* sig, const char* source) {
     Handle<JSFunction> jsfunc = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
         *v8::Local<v8::Function>::Cast(CompileRun(source))));
     uint32_t index = AddFunction(sig, Handle<Code>::null());
     Isolate* isolate = module->shared_isolate;
@@ skipping 471 matching lines @@
     if (p1 == MachineType::None()) return 1;
     if (p2 == MachineType::None()) return 2;
     if (p3 == MachineType::None()) return 3;
     return 4;
   }
 };
 
 }  // namespace
 
 #endif