Turn on wasm flags all the time, add a reference from wasm functions to the module.

src/compiler/wasm-compiler.h

 // 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.
 
 #ifndef V8_COMPILER_WASM_COMPILER_H_
 #define V8_COMPILER_WASM_COMPILER_H_
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
 // Do not include anything from src/compiler here!
 #include "src/wasm/wasm-opcodes.h"
@@ skipping 26 matching lines @@
                                  wasm::ModuleEnv* module_env,
                                  const wasm::WasmFunction& function, int index);
 
 // Wraps a JS function, producing a code object that can be called from WASM.
 Handle<Code> CompileWasmToJSWrapper(Isolate* isolate, wasm::ModuleEnv* module,
                                     Handle<JSFunction> function,
                                     uint32_t index);
 
 // Wraps a given wasm code object, producing a JSFunction that can be called
 // from JavaScript.
-Handle<JSFunction> CompileJSToWasmWrapper(Isolate* isolate,
-                                          wasm::ModuleEnv* module,
-                                          Handle<String> name,
-                                          Handle<Code> wasm_code,
-                                          uint32_t index);
+Handle<JSFunction> CompileJSToWasmWrapper(
+    Isolate* isolate, wasm::ModuleEnv* module, Handle<String> name,
+    Handle<Code> wasm_code, Handle<JSObject> module_object, uint32_t index);
 
 // Abstracts details of building TurboFan graph nodes for WASM to separate
 // the WASM decoder from the internal details of TurboFan.
 class WasmTrapHelper;
 class WasmGraphBuilder {
  public:
   WasmGraphBuilder(Zone* z, JSGraph* g, wasm::FunctionSig* function_signature);
 
   Node** Buffer(size_t count) {
     if (count > cur_bufsize_) {
@@ skipping 117 matching lines @@
     Node** buf = Buffer(count);
     if (buf != buffer) memcpy(buf, buffer, count * sizeof(Node*));
     return buf;
   }
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_WASM_COMPILER_H_