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

src/heap/heap-inl.h

Index: src/heap/heap-inl.h
diff --git a/src/heap/heap-inl.h b/src/heap/heap-inl.h
index 33b11ea5d044fd06c17aff82e7c9268db6fdc6dd..f9c9235320b25df45a116cd08fd04fe7b4692451 100644
--- a/src/heap/heap-inl.h
+++ b/src/heap/heap-inl.h
@@ -685,30 +685,30 @@ int Heap::NextScriptId() {
   return last_id;
 }
 
-
 void Heap::SetArgumentsAdaptorDeoptPCOffset(int pc_offset) {
   DCHECK(arguments_adaptor_deopt_pc_offset() == Smi::FromInt(0));
   set_arguments_adaptor_deopt_pc_offset(Smi::FromInt(pc_offset));
 }
 
-
 void Heap::SetConstructStubDeoptPCOffset(int pc_offset) {
   DCHECK(construct_stub_deopt_pc_offset() == Smi::FromInt(0));
   set_construct_stub_deopt_pc_offset(Smi::FromInt(pc_offset));
 }
 
-
 void Heap::SetGetterStubDeoptPCOffset(int pc_offset) {
   DCHECK(getter_stub_deopt_pc_offset() == Smi::FromInt(0));
   set_getter_stub_deopt_pc_offset(Smi::FromInt(pc_offset));
 }
 
-
 void Heap::SetSetterStubDeoptPCOffset(int pc_offset) {
   DCHECK(setter_stub_deopt_pc_offset() == Smi::FromInt(0));
   set_setter_stub_deopt_pc_offset(Smi::FromInt(pc_offset));
 }
 
+void Heap::SetInterpreterEntryReturnPCOffset(int pc_offset) {
+  DCHECK(interpreter_entry_return_pc_offset() == Smi::FromInt(0));
+  set_interpreter_entry_return_pc_offset(Smi::FromInt(pc_offset));
+}
 
 AlwaysAllocateScope::AlwaysAllocateScope(Isolate* isolate)
     : heap_(isolate->heap()) {