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Rollup merge of #93114 - lcnr:mk_array, r=RalfJung

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update comment for `ensure_monomorphic_enough`

r? `@RalfJung`
This commit is contained in:
Matthias Krüger 2022-01-20 23:37:42 +01:00 committed by GitHub
commit b8df581ef8
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2 changed files with 6 additions and 2 deletions
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6
compiler/rustc_const_eval/src/interpret/util.rs
View File

@ -3,7 +3,11 @@ use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, TypeVisitor};
use std::convert::TryInto;
use std::ops::ControlFlow;
/// Returns `true` if a used generic parameter requires substitution.
/// Checks whether a type contains generic parameters which require substitution.
///
/// In case it does, returns a `TooGeneric` const eval error. Note that due to polymorphization
/// types may be "concrete enough" even though they still contain generic parameters in
/// case these parameters are unused.
crate fn ensure_monomorphic_enough<'tcx, T>(tcx: TyCtxt<'tcx>, ty: T) -> InterpResult<'tcx>
where
T: TypeFoldable<'tcx>,

2
compiler/rustc_typeck/src/check/writeback.rs
View File

@ -43,7 +43,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
let item_def_id = self.tcx.hir().local_def_id(item_id);
// This attribute causes us to dump some writeback information
// in the form of errors, which is uSymbol for unit tests.
// in the form of errors, which is used for unit tests.
let rustc_dump_user_substs =
self.tcx.has_attr(item_def_id.to_def_id(), sym::rustc_dump_user_substs);