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don't check for the leak_check twice

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This commit is contained in:
lcnr 2022-02-21 10:40:41 +01:00
parent 15e95c0b7f
commit ec0a0ca3f4
1 changed files with 6 additions and 14 deletions
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14
compiler/rustc_trait_selection/src/traits/coherence.rs
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@ -160,20 +160,12 @@ fn overlap<'cx, 'tcx>(
);
selcx.infcx().probe_maybe_skip_leak_check(skip_leak_check.is_yes(), |snapshot| {
overlap_within_probe(
selcx,
skip_leak_check,
impl1_def_id,
impl2_def_id,
overlap_mode,
snapshot,
)
overlap_within_probe(selcx, impl1_def_id, impl2_def_id, overlap_mode, snapshot)
})
}
fn overlap_within_probe<'cx, 'tcx>(
selcx: &mut SelectionContext<'cx, 'tcx>,
skip_leak_check: SkipLeakCheck,
impl1_def_id: DefId,
impl2_def_id: DefId,
overlap_mode: OverlapMode,
@ -207,12 +199,12 @@ fn overlap_within_probe<'cx, 'tcx>(
}
}
if !skip_leak_check.is_yes() {
// We disable the leak when when creating the `snapshot` by using
// `infcx.probe_maybe_disable_leak_check`.
if infcx.leak_check(true, snapshot).is_err() {
debug!("overlap: leak check failed");
return None;
}
}
let intercrate_ambiguity_causes = selcx.take_intercrate_ambiguity_causes();
debug!("overlap: intercrate_ambiguity_causes={:#?}", intercrate_ambiguity_causes);