[wasm] Avoid double-serializing the wire bytes

src/assembler.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 908 matching lines @@
 void ExternalReference::SetUp() {
   double_constants.min_int = kMinInt;
   double_constants.one_half = 0.5;
   double_constants.minus_one_half = -0.5;
   double_constants.the_hole_nan = kHoleNanInt64;
   double_constants.negative_infinity = -V8_INFINITY;
   double_constants.uint32_bias =
     static_cast<double>(static_cast<uint32_t>(0xFFFFFFFF)) + 1;
 }
 
-ExternalReference::ExternalReference(Address address, Isolate* isolate)
-    : address_(Redirect(isolate, address)) {}
+ExternalReference::ExternalReference(Address address, Isolate* isolate,
+                                     Type type)
+    : address_(Redirect(isolate, address, type)) {}
 
 ExternalReference::ExternalReference(
     ApiFunction* fun,
     Type type = ExternalReference::BUILTIN_CALL,
     Isolate* isolate = NULL)
   : address_(Redirect(isolate, fun->address(), type)) {}
 
 
 ExternalReference::ExternalReference(Builtins::Name name, Isolate* isolate)
   : address_(isolate->builtins()->builtin_address(name)) {}
@@ skipping 983 matching lines @@
 
 
 void Assembler::DataAlign(int m) {
   DCHECK(m >= 2 && base::bits::IsPowerOfTwo32(m));
   while ((pc_offset() & (m - 1)) != 0) {
     db(0);
   }
 }
 }  // namespace internal
 }  // namespace v8