04dac4285a
use the correct `Reveal` during validation supersedes #105454. Deals with https://github.com/rust-lang/rust/issues/105009#issuecomment-1342395333, not closing #105009 as the ICE may leak into beta The issue was the following: - we optimize the mir, using `Reveal::All` - some optimization relies on the hidden type of an opaque type - we then validate using `Reveal::UserFacing` again which is not able to observe the hidden type r? `@jackh726`