Adding flag for simd.js + asm->wasm.

src/wasm/wasm-js.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/api.h"
 #include "src/api-natives.h"
 #include "src/assert-scope.h"
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/factory.h"
@@ skipping 123 matching lines @@
 
   if (!i::Compiler::ParseAndAnalyze(info)) {
     return nullptr;
   }
 
   info->set_literal(
       info->scope()->declarations()->at(0)->AsFunctionDeclaration()->fun());
 
   v8::internal::AsmTyper typer(info->isolate(), info->zone(), *(info->script()),
                                info->literal());
+  if (i::FLAG_enable_simd_asmjs) {
+    typer.set_allow_simd(true);
+  }
   if (!typer.Validate()) {
     thrower->Error("Asm.js validation failed: %s", typer.error_message());
     return nullptr;
   }
 
   auto module = v8::internal::wasm::AsmWasmBuilder(
                     info->isolate(), info->zone(), info->literal())
                     .Run();
   return module;
 }
@@ skipping 169 matching lines @@
   if (!context->get(Context::WASM_FUNCTION_MAP_INDEX)->IsMap()) {
     Handle<Map> wasm_function_map = isolate->factory()->NewMap(
         JS_FUNCTION_TYPE, JSFunction::kSize + kPointerSize);
     wasm_function_map->set_is_callable();
     context->set_wasm_function_map(*wasm_function_map);
   }
 }
 
 }  // namespace internal
 }  // namespace v8