bjoernager/rust
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support revealing defined opaque post borrowck

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This commit is contained in:
lcnr 2024-11-26 16:01:08 +01:00
parent 18e2253e79
commit 34a8c2dbba
21 changed files with 226 additions and 58 deletions
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7
compiler/rustc_trait_selection/src/traits/select/mod.rs
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@ -1471,7 +1471,9 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
let obligation = &stack.obligation;
match self.infcx.typing_mode() {
TypingMode::Coherence => {}
TypingMode::Analysis { .. } | TypingMode::PostAnalysis => return Ok(()),
TypingMode::Analysis { .. }
| TypingMode::PostBorrowckAnalysis { .. }
| TypingMode::PostAnalysis => return Ok(()),
}
debug!("is_knowable()");
@ -1518,6 +1520,9 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
TypingMode::Analysis { defining_opaque_types } => {
defining_opaque_types.is_empty() || !pred.has_opaque_types()
}
// The hidden types of `defined_opaque_types` is not local to the current
// inference context, so we can freely move this to the global cache.
TypingMode::PostBorrowckAnalysis { .. } => true,
// The global cache is only used if there are no opaque types in
// the defining scope or we're outside of analysis.
//