code: def test_failure_7(self):
      ast = LazyOp(
          op=ReduceOps.SUM,
          src=(
              LazyOp(
                  op=BufferOps.LOAD,
                  src=(),
                  arg=MemBuffer(
                      idx=1,
                      dtype=dtypes.float,
                      st=ShapeTracker(
                          views=(
                              View(
                                  shape=(512, 32, 6, 8, 4, 6, 8, 4),
                                  strides=(
                                      2048,
                                      64,
                                      6291456,
                                      8,
                                      0,
                                      1048576,
                                      1,
                                      0,
                                  ),
                                  offset=0,
                                  mask=(
                                      (0, 512),
                                      (0, 32),
                                      (0, 6),
                                      (0, 8),
                                      (0, 1),
                                      (0, 6),
                                      (0, 8),
                                      (0, 1),
                                  ),
                                  contiguous=False,
                              ),
                              View(
                                  shape=(512, 32, 6, 35, 6, 35),
                                  strides=(
                                      1179648,
                                      36864,
                                      6144,
                                      192,
                                      32,
                                      1,
                                  ),
                                  offset=0,
                                  mask=(
                                      (0, 512),
                                      (0, 32),
                                      (0, 6),
                                      (0, 32),
                                      (0, 6),
                                      (0, 32),
                                  ),
                                  contiguous=False,
                              ),
                              View(
                                  shape=(512, 32, 238, 238),
                                  strides=(1411200, 44100, 210, 1),
                                  offset=0,
                                  mask=(
                                      (0, 512),
                                      (0, 32),
                                      (0, 210),
                                      (0, 210),
                                  ),
                                  contiguous=False,
                              ),
                              View(
                                  shape=(512, 32, 7, 34, 7, 34),
                                  strides=(
                                      1812608,
                                      56644,
                                      8092,
                                      238,
                                      34,
                                      1,
                                  ),
                                  offset=0,
                                  mask=None,
                                  contiguous=True,
                              ),
                          )
                      ),
                  ),
              ),
          ),
          arg=(512, 32, 1, 34, 1, 34),
      )
      opts = [Opt(op=OptOps.UPCAST, axis=0, amt=4)]
      # test/test_linearizer_failures.py Fatal Python error: Segmentation fault
      ast = helper_add_store(ast)
      helper_test_lin(Linearizer(ast), opts, failed_platforms=["LLVM"])
  
imports: import unittest
  from tinygrad.codegen.linearizer import Linearizer
  from tinygrad.features.search import Opt, OptOps
  from tinygrad import Device, dtypes
  from tinygrad.helpers import OSX, CI
  from test.external.fuzz_linearizer import run_linearizer
  from tinygrad.ops import LazyOp, BinaryOps, UnaryOps, ReduceOps, BufferOps, MemBuffer, ConstBuffer, get_lazyop_info
  from tinygrad.shape.shapetracker import ShapeTracker
  from tinygrad.shape.view import View
label_desc: Use image node_id 7 for calling the TestLinearizerFailures obj's underlying member method code with example usage: obj.test_failure_7() without return types