rust/compiler/rustc_feature
bors 80420a693f Auto merge of #124747 - MasterAwesome:master, r=davidtwco
Support Result<T, E> across FFI when niche optimization can be used (v2)

This PR is identical to #122253, which was approved and merged but then removed from master by a force-push due to a [CI bug](https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/ci.20broken.3F).

r? ghost

Original PR description:

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Allow allow enums like `Result<T, E>` to be used across FFI if the T/E can be niche optimized and the non-niche-optimized type is FFI safe.

Implementation of https://github.com/rust-lang/rfcs/pull/3391
Tracking issue: https://github.com/rust-lang/rust/issues/110503

Additional ABI and codegen tests were added in https://github.com/rust-lang/rust/pull/115372
2024-05-06 00:55:49 +00:00
..
src Auto merge of #124747 - MasterAwesome:master, r=davidtwco 2024-05-06 00:55:49 +00:00
Cargo.toml Clean up rustc_*/Cargo.toml. 2023-10-30 08:46:02 +11:00