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Make impl Trait unstable in all contexts

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This commit is contained in:
Dylan MacKenzie 2020-10-05 20:30:32 -07:00
parent c4ef5fdf8f
commit 9beb6f81e4
1 changed files with 2 additions and 6 deletions
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6
compiler/rustc_mir/src/transform/check_consts/ops.rs
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@ -558,13 +558,9 @@ pub mod ty {
#[derive(Debug)]
pub struct ImplTrait;
impl NonConstOp for ImplTrait {
fn status_in_item(&self, ccx: &ConstCx<'_, '_>) -> Status {
if ccx.const_kind() != hir::ConstContext::ConstFn {
Status::Allowed
} else {
fn status_in_item(&self, _: &ConstCx<'_, '_>) -> Status {
Status::Unstable(sym::const_impl_trait)
}
}
fn build_error(&self, ccx: &ConstCx<'_, 'tcx>, span: Span) -> DiagnosticBuilder<'tcx> {
feature_err(