message: [Grappler] Fix another stack-use-after-scope
  ops::Squeeze::Attrs only stores a reference, so the {2} initializer list
  was used after its lifetime ends.
diff: @@ -796,9 +796,8 @@ TEST_F(RemapperTest, FuseConv2DWithSqueezeAndBias) {
  std::vector<int> strides = {1, 1, 1, 1};
  auto conv = ops::Conv2D(s.WithOpName("conv"), input, filter, strides, "SAME");
  - ops::Squeeze::Attrs attrs;
  - attrs = attrs.Axis({2});
  - auto squeeze = ops::Squeeze(s.WithOpName("squeeze"), conv, attrs);
  + auto squeeze = ops::Squeeze(s.WithOpName("squeeze"), conv,
  + ops::Squeeze::Attrs().Axis({2}));
  auto bias_add = ops::BiasAdd(s.WithOpName("bias_add"), squeeze, bias);
  auto fetch = ops::Identity(s.WithOpName("fetch"), bias_add);
  