[FFI] Clean up Nullability.legacy in ffi_use_sites.dart

dart-lang / sdk

The Dart SDK, including the VM, JS and Wasm compilers, analysis, core libraries, and more.

https://dart.dev

BSD 3-Clause "New" or "Revised" License

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Open ghost opened 3 years ago

ghost commented 3 years ago

pkg/vm/lib/transformations/ffi_use_sites.dart has a number of uses of Nullability.legacy. We should look into whether we can clean some of those up for their NNBD replacements.

ghost commented 3 years ago

@dcharkes