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

test/unittests/interpreter/interpreter-assembler-unittest.cc

Index: test/unittests/interpreter/interpreter-assembler-unittest.cc
diff --git a/test/unittests/interpreter/interpreter-assembler-unittest.cc b/test/unittests/interpreter/interpreter-assembler-unittest.cc
index 25b306e35924e8bb8d6593698bd791ff5ecb66ce..ebdb16c4b563dd758296d95c82051ecab1cd3bd3 100644
--- a/test/unittests/interpreter/interpreter-assembler-unittest.cc
+++ b/test/unittests/interpreter/interpreter-assembler-unittest.cc
@@ -379,6 +379,32 @@
                   InterpreterDispatchDescriptor::kDispatchTableParameter),
               _, _));
     }
+  }
+}
+
+TARGET_TEST_F(InterpreterAssemblerTest, InterpreterReturn) {
+  // If debug code is enabled we emit extra code in InterpreterReturn.
+  if (FLAG_debug_code) return;
+
+  TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
+    InterpreterAssemblerForTest m(this, bytecode);
+    Node* tail_call_node = m.InterpreterReturn();
+
+    Handle<HeapObject> exit_trampoline =
+        isolate()->builtins()->InterpreterExitTrampoline();
+    Matcher<Node*> exit_trampoline_entry_matcher =
+        IsIntPtrAdd(IsHeapConstant(exit_trampoline),
+                    IsIntPtrConstant(Code::kHeaderSize - kHeapObjectTag));
+    EXPECT_THAT(
+        tail_call_node,
+        IsTailCall(
+            _, exit_trampoline_entry_matcher,
+            IsParameter(InterpreterDispatchDescriptor::kAccumulatorParameter),
+            IsParameter(
+                InterpreterDispatchDescriptor::kBytecodeOffsetParameter),
+            _,
+            IsParameter(InterpreterDispatchDescriptor::kDispatchTableParameter),
+            _, _));
   }
 }