Revert "VM: New calling convention for generated code."

runtime/vm/gc_marker.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/gc_marker.h"
 
 #include <map>
 #include <utility>
 #include <vector>
 
@@ skipping 73 matching lines @@
 
   void Add(RawFunction* func) {
     skipped_code_functions_.Add(func);
   }
 
   void DetachCode() {
     intptr_t unoptimized_code_count = 0;
     intptr_t current_code_count = 0;
     for (int i = 0; i < skipped_code_functions_.length(); i++) {
       RawFunction* func = skipped_code_functions_[i];
-      RawCode* code = func->ptr()->code_;
+      RawCode* code = func->ptr()->instructions_->ptr()->code_;
       if (!code->IsMarked()) {
         // If the code wasn't strongly visited through other references
         // after skipping the function's code pointer, then we disconnect the
         // code from the function.
         func->StorePointer(
-            &(func->ptr()->code_),
-            StubCode::LazyCompile_entry()->code());
+            &(func->ptr()->instructions_),
+            StubCode::LazyCompile_entry()->code()->ptr()->instructions_);
         uword entry_point = StubCode::LazyCompile_entry()->EntryPoint();
         func->ptr()->entry_point_ = entry_point;
         if (FLAG_log_code_drop) {
           // NOTE: This code runs while GC is in progress and runs within
           // a NoHandleScope block. Hence it is not okay to use a regular Zone
           // or Scope handle. We use a direct stack handle so the raw pointer in
           // this handle is not traversed. The use of a handle is mainly to
           // be able to reuse the handle based code and avoid having to add
           // helper functions to the raw object interface.
           String name;
@@ skipping 595 matching lines @@
       // Finalization complete and all tasks exited.
     }
     delay_set.ClearReferences();
     ProcessWeakTables(page_space);
     ProcessObjectIdTable(isolate);
   }
   Epilogue(isolate, invoke_api_callbacks);
 }
 
 }  // namespace dart