bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Auto merge of #114545 - fee1-dead-contrib:lower-impl-effect, r=oli-obk

Browse source 
correctly lower `impl const` to bind to host effect param

r? `@oli-obk`
This commit is contained in:
bors 2023-08-08 19:23:41 +00:00
commit f88a8b71ce
64 changed files with 465 additions and 373 deletions
Download patch file Download diff file Expand all files Collapse all files

21
compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs
View file

@ -3110,27 +3110,6 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
) -> UnsatisfiedConst {
let unsatisfied_const = UnsatisfiedConst(false);
// FIXME(effects)
/* if trait_predicate.is_const_if_const() {
let non_const_predicate = trait_ref.without_const();
let non_const_obligation = Obligation {
cause: obligation.cause.clone(),
param_env: obligation.param_env,
predicate: non_const_predicate.to_predicate(self.tcx),
recursion_depth: obligation.recursion_depth,
};
if self.predicate_may_hold(&non_const_obligation) {
unsatisfied_const = UnsatisfiedConst(true);
err.span_note(
span,
format!(
"the trait `{}` is implemented for `{}`, \
but that implementation is not `const`",
non_const_predicate.print_modifiers_and_trait_path(),
trait_ref.skip_binder().self_ty(),
),
);
}
} */
unsatisfied_const
}