bjoernager/rust
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Don't require intercrate mode for negative coherence

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This commit is contained in:
Michael Goulet 2023-11-19 19:19:51 +00:00
parent 19a5e1dfc6
commit 253f5023c3
7 changed files with 19 additions and 41 deletions
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11
compiler/rustc_infer/src/infer/at.rs
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@ -65,8 +65,15 @@ impl<'tcx> InferCtxt<'tcx> {
/// Forks the inference context, creating a new inference context with the same inference
/// variables in the same state. This can be used to "branch off" many tests from the same
/// common state. Used in coherence.
/// common state.
pub fn fork(&self) -> Self {
self.fork_with_intercrate(self.intercrate)
}
/// Forks the inference context, creating a new inference context with the same inference
/// variables in the same state, except possibly changing the intercrate mode. This can be
/// used to "branch off" many tests from the same common state. Used in negative coherence.
pub fn fork_with_intercrate(&self, intercrate: bool) -> Self {
Self {
tcx: self.tcx,
defining_use_anchor: self.defining_use_anchor,
@ -81,7 +88,7 @@ impl<'tcx> InferCtxt<'tcx> {
tainted_by_errors: self.tainted_by_errors.clone(),
err_count_on_creation: self.err_count_on_creation,
universe: self.universe.clone(),
intercrate: self.intercrate,
intercrate,
next_trait_solver: self.next_trait_solver,
}
}