Auto merge of #5461 - bundler:seg-lazy-specification-nil-platform, r=indirect
Auto merge of #5461 - bundler:seg-lazy-specification-nil-platform, r=indirect

[LazySpecification] Handle when platform is nil in __materialize__

Because a nil platform is the same as RUBY

bundler/bundler,mvz/bundler,bundler/bundler,dilumnavanjana/bundler,mvz/bundler,dilumnavanjana/bundler