Rollup merge of #73578 - RalfJung:ty-ctxt-at, r=jonas-schievink

Make is_freeze and is_copy_modulo_regions take TyCtxtAt

Make is_freeze and is_copy_modulo_regions take TyCtxtAt instead of separately taking TyCtxt and Span. This is consistent with is_sized.
This commit is contained in:
Dylan DPC 2020-06-23 03:16:22 +02:00 committed by GitHub
commit 1d077f6109
6 changed files with 6 additions and 7 deletions

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@ -513,7 +513,7 @@ fn is_mutable_ty<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, ty: Ty<'tcx>, span: Span,
// primitive types are never mutable
ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::Str => false,
ty::Adt(ref adt, ref substs) => {
tys.insert(adt.did) && !ty.is_freeze(cx.tcx, cx.param_env, span)
tys.insert(adt.did) && !ty.is_freeze(cx.tcx.at(span), cx.param_env)
|| KNOWN_WRAPPER_TYS.iter().any(|path| match_def_path(cx, adt.did, path))
&& substs.types().any(|ty| is_mutable_ty(cx, ty, span, tys))
},

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@ -74,9 +74,8 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for LetIfSeq {
let span = stmt.span.to(if_.span);
let has_interior_mutability = !cx.tables.node_type(canonical_id).is_freeze(
cx.tcx,
cx.tcx.at(span),
cx.param_env,
span
);
if has_interior_mutability { return; }

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@ -118,7 +118,7 @@ fn is_mutable_type<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, ty: Ty<'tcx>, span: Spa
size.try_eval_usize(cx.tcx, cx.param_env).map_or(true, |u| u != 0) && is_mutable_type(cx, inner_ty, span)
},
Tuple(..) => ty.tuple_fields().any(|ty| is_mutable_type(cx, ty, span)),
Adt(..) => cx.tcx.layout_of(cx.param_env.and(ty)).is_ok() && !ty.is_freeze(cx.tcx, cx.param_env, span),
Adt(..) => cx.tcx.layout_of(cx.param_env.and(ty)).is_ok() && !ty.is_freeze(cx.tcx.at(span), cx.param_env),
_ => false,
}
}

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@ -110,7 +110,7 @@ impl Source {
}
fn verify_ty_bound<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, ty: Ty<'tcx>, source: Source) {
if ty.is_freeze(cx.tcx, cx.param_env, DUMMY_SP) || is_copy(cx, ty) {
if ty.is_freeze(cx.tcx.at(DUMMY_SP), cx.param_env) || is_copy(cx, ty) {
// An `UnsafeCell` is `!Copy`, and an `UnsafeCell` is also the only type which
// is `!Freeze`, thus if our type is `Copy` we can be sure it must be `Freeze`
// as well.

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@ -137,7 +137,7 @@ impl QuestionMark {
fn moves_by_default(cx: &LateContext<'_, '_>, expression: &Expr<'_>) -> bool {
let expr_ty = cx.tables.expr_ty(expression);
!expr_ty.is_copy_modulo_regions(cx.tcx, cx.param_env, expression.span)
!expr_ty.is_copy_modulo_regions(cx.tcx.at(expression.span), cx.param_env)
}
fn is_option(cx: &LateContext<'_, '_>, expression: &Expr<'_>) -> bool {

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@ -891,7 +891,7 @@ pub fn type_is_unsafe_function<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, ty: Ty<'tcx
}
pub fn is_copy<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, ty: Ty<'tcx>) -> bool {
ty.is_copy_modulo_regions(cx.tcx, cx.param_env, DUMMY_SP)
ty.is_copy_modulo_regions(cx.tcx.at(DUMMY_SP), cx.param_env)
}
/// Checks if an expression is constructing a tuple-like enum variant or struct