bjoernager/rust
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This commit is contained in:
Esteban Küber 2020-10-23 12:51:06 -07:00
parent b334eef162
commit f71e9ed7f1
2 changed files with 10 additions and 14 deletions
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5
compiler/rustc_trait_selection/src/traits/codegen.rs
View file

@ -121,7 +121,10 @@ where
// contains unbound type parameters. It could be a slight
// optimization to stop iterating early.
if let Err(errors) = fulfill_cx.select_all_or_error(infcx) {
bug!("Encountered errors `{:?}` resolving bounds after type-checking", errors);
infcx.tcx.sess.delay_span_bug(
rustc_span::DUMMY_SP,
&format!("Encountered errors `{:?}` resolving bounds after type-checking", errors),
);
}
let result = infcx.resolve_vars_if_possible(result);

7
compiler/rustc_trait_selection/src/traits/select/mod.rs
View file

@ -2031,12 +2031,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
&predicate.subst(tcx, substs),
&mut obligations,
);
if predicate.references_error() {
self.tcx().sess.delay_span_bug(
cause.span,
&format!("impl_or_trait_obligation with errors: {:?}", predicate),
);
} else {
obligations.push(Obligation {
cause: cause.clone(),
recursion_depth,
@ -2044,7 +2038,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
predicate,
});
}
}
// We are performing deduplication here to avoid exponential blowups
// (#38528) from happening, but the real cause of the duplication is