bjoernager/rust
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extract ConstKind::Unevaluated into a struct

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This commit is contained in:
lcnr 2021-03-12 00:01:34 +01:00
parent 41b315a470
commit 43ebac119b
25 changed files with 131 additions and 88 deletions
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5
compiler/rustc_typeck/src/collect.rs
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@ -2212,10 +2212,11 @@ fn const_evaluatable_predicates_of<'tcx>(
fn visit_anon_const(&mut self, c: &'tcx hir::AnonConst) {
let def_id = self.tcx.hir().local_def_id(c.hir_id);
let ct = ty::Const::from_anon_const(self.tcx, def_id);
if let ty::ConstKind::Unevaluated(def, substs, None) = ct.val {
if let ty::ConstKind::Unevaluated(uv) = ct.val {
assert_eq!(uv.promoted, None);
let span = self.tcx.hir().span(c.hir_id);
self.preds.insert((
ty::PredicateKind::ConstEvaluatable(def, substs).to_predicate(self.tcx),
ty::PredicateKind::ConstEvaluatable(uv.def, uv.substs).to_predicate(self.tcx),
span,
));
}