[turbofan] Modifies the --turbo-verify-machine-graph flag to act as a filter.

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 d8526606b0d7ce4842b964746e94b8efd8baf840..d0d145f6d5eef825122341ee16b5b54cb830743f 100644
--- a/test/unittests/interpreter/interpreter-assembler-unittest.cc
+++ b/test/unittests/interpreter/interpreter-assembler-unittest.cc
@@ -335,7 +335,7 @@ TARGET_TEST_F(InterpreterAssemblerTest, Dispatch) {
             IsChangeUint32ToUint64(after_lookahead_bytecode);
       }
       target_bytecode_matcher =
-          IsPhi(MachineRepresentation::kWord8, target_bytecode_matcher,
+          IsPhi(MachineType::PointerRepresentation(), target_bytecode_matcher,
                 after_lookahead_bytecode, _);
       code_target_matcher =
           m.IsLoad(MachineType::Pointer(),