[Interpreter] Remove InterpreterExitTrampoline and replace with returning to the entry trampoline.

src/interpreter/interpreter.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/interpreter/interpreter.h"
 
 #include <fstream>
 
 #include "src/ast/prettyprinter.h"
 #include "src/code-factory.h"
@@ skipping 1612 matching lines @@
   __ CallRuntime(Runtime::kReThrow, context, exception);
   // We shouldn't ever return from a throw.
   __ Abort(kUnexpectedReturnFromThrow);
 }
 
 
 // Return
 //
 // Return the value in the accumulator.
 void Interpreter::DoReturn(InterpreterAssembler* assembler) {
-  __ InterpreterReturn();
+  __ UpdateInterruptBudgetOnReturn();
+  Node* accumulator = __ GetAccumulator();
+  __ Return(accumulator);
 }
 
 // Debugger
 //
 // Call runtime to handle debugger statement.
 void Interpreter::DoDebugger(InterpreterAssembler* assembler) {
   Node* context = __ GetContext();
   __ CallRuntime(Runtime::kHandleDebuggerStatement, context);
   __ Dispatch();
 }
@@ skipping 183 matching lines @@
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
       __ SmiTag(new_state));
   __ SetAccumulator(old_state);
 
   __ Dispatch();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8