[Interpreter] Make dispatch table point to code entry instead of code objects.

test/unittests/interpreter/interpreter-assembler-unittest.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 "test/unittests/interpreter/interpreter-assembler-unittest.h"
 
 #include "src/code-factory.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/node.h"
 #include "src/interface-descriptors.h"
@@ skipping 446 matching lines @@
     InterpreterAssemblerForTest m(this, bytecode);
     m.InterpreterReturn();
     Graph* graph = m.graph();
 
     Node* end = graph->end();
     EXPECT_EQ(1, end->InputCount());
     Node* tail_call_node = end->InputAt(0);
 
     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(
-            _, IsHeapConstant(exit_trampoline),
+            _, exit_trampoline_entry_matcher,
             IsParameter(InterpreterDispatchDescriptor::kAccumulatorParameter),
             IsParameter(InterpreterDispatchDescriptor::kRegisterFileParameter),
             IsParameter(
                 InterpreterDispatchDescriptor::kBytecodeOffsetParameter),
             _,
             IsParameter(InterpreterDispatchDescriptor::kDispatchTableParameter),
             IsParameter(InterpreterDispatchDescriptor::kContextParameter), _,
             _));
   }
 }
@@ skipping 338 matching lines @@
         feedback_vector,
         m.IsLoad(MachineType::AnyTagged(), load_shared_function_info_matcher,
                  IsIntPtrConstant(SharedFunctionInfo::kFeedbackVectorOffset -
                                   kHeapObjectTag)));
   }
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8