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

src/compiler/wasm-compiler.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/compiler/wasm-compiler.h"
 
 #include "src/isolate-inl.h"
 
 #include "src/base/platform/elapsed-timer.h"
 #include "src/base/platform/platform.h"
@@ skipping 2998 matching lines @@
         &compilation_zone_, function_->sig);
     if (jsgraph->machine()->Is32()) {
       descriptor =
           module_env_->GetI32WasmCallDescriptor(&compilation_zone_, descriptor);
     }
     job_.Reset(Pipeline::NewWasmCompilationJob(&info_, jsgraph->graph(),
                                                descriptor, source_positions));
     ok_ = job_->OptimizeGraph() == CompilationJob::SUCCEEDED;
     // TODO(bradnelson): Improve histogram handling of size_t.
     // TODO(ahaas): The counters are not thread-safe at the moment.
-    //    isolate_->counters()->wasm_compile_function_peak_memory_bytes()->AddSample(
+    //    isolate_->counters()->wasm_compile_function_peak_memory_bytes()
+    // ->AddSample(
     //        static_cast<int>(jsgraph->graph()->zone()->allocation_size()));
 
     if (FLAG_trace_wasm_decode_time) {
       double pipeline_ms = pipeline_timer.Elapsed().InMillisecondsF();
       PrintF(
           "wasm-compilation phase 1 ok: %d bytes, %0.3f ms decode, %zu nodes, "
           "%0.3f ms pipeline\n",
           static_cast<int>(function_->code_end_offset -
                            function_->code_start_offset),
           decode_ms, node_count, pipeline_ms);
@@ skipping 80 matching lines @@
                                  const wasm::WasmFunction* function) {
   WasmCompilationUnit* unit =
       CreateWasmCompilationUnit(thrower, isolate, module_env, function, 0);
   ExecuteCompilation(unit);
   return FinishCompilation(unit);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8