Merged changes to avoid OOM for large wasm modules.

src/compiler.h

 // Copyright 2012 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_H_
 #define V8_COMPILER_H_
 
 #include <memory>
 
 #include "src/allocation.h"
@@ skipping 185 matching lines @@
   uintptr_t stack_limit() const { return stack_limit_; }
 
   bool executed_on_background_thread() const {
     DCHECK_IMPLIES(!can_execute_on_background_thread(),
                    !executed_on_background_thread_);
     return executed_on_background_thread_;
   }
   State state() const { return state_; }
   CompilationInfo* info() const { return info_; }
   Isolate* isolate() const;
+  virtual size_t AllocatedMemory() const { return 0; }
 
  protected:
   // Overridden by the actual implementation.
   virtual Status PrepareJobImpl() = 0;
   virtual Status ExecuteJobImpl() = 0;
   virtual Status FinalizeJobImpl() = 0;
 
   // Registers weak object to optimized code dependencies.
   // TODO(turbofan): Move this to pipeline.cc once Crankshaft dies.
   void RegisterWeakObjectsInOptimizedCode(Handle<Code> code);
@@ skipping 16 matching lines @@
       state_ = State::kFailed;
     }
     return status;
   }
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_H_