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Merge from rustc

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This commit is contained in:
Ralf Jung 2023-03-24 10:38:17 +01:00
commit b6495af39a
1 changed files with 4 additions and 1 deletions
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5
clippy_utils/src/qualify_min_const_fn.rs
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@ -37,7 +37,7 @@ pub fn is_min_const_fn<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'tcx>, msrv: &Msrv)
| ty::PredicateKind::ConstEvaluatable(..)
| ty::PredicateKind::ConstEquate(..)
| ty::PredicateKind::TypeWellFormedFromEnv(..) => continue,
ty::PredicateKind::AliasEq(..) => panic!("alias eq predicate on function: {predicate:#?}"),
ty::PredicateKind::AliasRelate(..) => panic!("alias relate predicate on function: {predicate:#?}"),
ty::PredicateKind::ObjectSafe(_) => panic!("object safe predicate on function: {predicate:#?}"),
ty::PredicateKind::ClosureKind(..) => panic!("closure kind predicate on function: {predicate:#?}"),
ty::PredicateKind::Subtype(_) => panic!("subtype predicate on function: {predicate:#?}"),
@ -176,6 +176,9 @@ fn check_rvalue<'tcx>(
// FIXME(dyn-star)
unimplemented!()
},
Rvalue::Cast(CastKind::Transmute, _, _) => {
Err((span, "transmute can attempt to turn pointers into integers, so is unstable in const fn".into()))
},
// binops are fine on integers
Rvalue::BinaryOp(_, box (lhs, rhs)) | Rvalue::CheckedBinaryOp(_, box (lhs, rhs)) => {
check_operand(tcx, lhs, span, body)?;