Update tests after feature stabilization

Author: eholk

compiler/rustc_const_eval/src/transform/check_consts/check.rs

@@ -359,22 +359,6 @@ impl<'mir, 'tcx> Checker<'mir, 'tcx> {
             match *ty.kind() {
                 ty::Ref(_, _, hir::Mutability::Mut) => self.check_op(ops::ty::MutRef(kind)),
                 ty::Opaque(..) => self.check_op(ops::ty::ImplTrait),
-
-                ty::Dynamic(preds, _) => {
-                    for pred in preds.iter() {
-                        match pred.skip_binder() {
-                            ty::ExistentialPredicate::AutoTrait(_)
-                            | ty::ExistentialPredicate::Projection(_) => {
-                                self.check_op(ops::ty::DynTrait(kind))
-                            }
-                            ty::ExistentialPredicate::Trait(trait_ref) => {
-                                if Some(trait_ref.def_id) != self.tcx.lang_items().sized_trait() {
-                                    self.check_op(ops::ty::DynTrait(kind))
-                                }
-                            }
-                        }
-                    }
-                }
                 _ => {}
             }
         }

compiler/rustc_const_eval/src/transform/check_consts/ops.rs

@@ -817,49 +817,6 @@ pub mod ty {
         }
     }
 
-    #[derive(Debug)]
-    pub struct DynTrait(pub mir::LocalKind);
-    impl<'tcx> NonConstOp<'tcx> for DynTrait {
-        fn importance(&self) -> DiagnosticImportance {
-            match self.0 {
-                mir::LocalKind::Var | mir::LocalKind::Temp => DiagnosticImportance::Secondary,
-                mir::LocalKind::ReturnPointer | mir::LocalKind::Arg => {
-                    DiagnosticImportance::Primary
-                }
-            }
-        }
-
-        fn status_in_item(&self, ccx: &ConstCx<'_, 'tcx>) -> Status {
-            if ccx.const_kind() != hir::ConstContext::ConstFn {
-                Status::Allowed
-            } else {
-                Status::Unstable(sym::const_fn_trait_bound)
-            }
-        }
-
-        fn build_error(
-            &self,
-            ccx: &ConstCx<'_, 'tcx>,
-            span: Span,
-        ) -> DiagnosticBuilder<'tcx, ErrorGuaranteed> {
-            let mut err = feature_err(
-                &ccx.tcx.sess.parse_sess,
-                sym::const_fn_trait_bound,
-                span,
-                "trait objects in const fn are unstable",
-            );
-
-            match ccx.fn_sig() {
-                Some(fn_sig) if !fn_sig.span.contains(span) => {
-                    err.span_label(fn_sig.span, "function declared as const here");
-                }
-                _ => {}
-            }
-
-            err
-        }
-    }
-
     /// A trait bound with the `?const Trait` opt-out
     #[derive(Debug)]
     pub struct TraitBoundNotConst;

src/test/ui/borrowck/issue-88434-minimal-example.rs

@@ -1,4 +1,3 @@
-#![feature(const_fn_trait_bound)]
 // Regression test related to issue 88434
 
 const _CONST: &() = &f(&|_| {});

src/test/ui/borrowck/issue-88434-minimal-example.stderr

@@ -1,14 +1,14 @@
 error[E0080]: evaluation of constant value failed
-  --> $DIR/issue-88434-minimal-example.rs:10:5
+  --> $DIR/issue-88434-minimal-example.rs:9:5
    |
 LL | const _CONST: &() = &f(&|_| {});
-   |                      ---------- inside `_CONST` at $DIR/issue-88434-minimal-example.rs:4:22
+   |                      ---------- inside `_CONST` at $DIR/issue-88434-minimal-example.rs:3:22
 ...
 LL |     panic!()
    |     ^^^^^^^^
    |     |
-   |     the evaluated program panicked at 'explicit panic', $DIR/issue-88434-minimal-example.rs:10:5
-   |     inside `f::<[closure@$DIR/issue-88434-minimal-example.rs:4:25: 4:31]>` at $SRC_DIR/std/src/panic.rs:LL:COL
+   |     the evaluated program panicked at 'explicit panic', $DIR/issue-88434-minimal-example.rs:9:5
+   |     inside `f::<[closure@$DIR/issue-88434-minimal-example.rs:3:25: 3:31]>` at $SRC_DIR/std/src/panic.rs:LL:COL
    |
    = note: this error originates in the macro `$crate::panic::panic_2015` (in Nightly builds, run with -Z macro-backtrace for more info)
 

src/test/ui/borrowck/issue-88434-removal-index-should-be-less.rs

@@ -1,4 +1,3 @@
-#![feature(const_fn_trait_bound)]
 // Regression test for issue 88434
 
 const _CONST: &[u8] = &f(&[], |_| {});

src/test/ui/borrowck/issue-88434-removal-index-should-be-less.stderr

@@ -1,14 +1,14 @@
 error[E0080]: evaluation of constant value failed
-  --> $DIR/issue-88434-removal-index-should-be-less.rs:10:5
+  --> $DIR/issue-88434-removal-index-should-be-less.rs:9:5
    |
 LL | const _CONST: &[u8] = &f(&[], |_| {});
-   |                        -------------- inside `_CONST` at $DIR/issue-88434-removal-index-should-be-less.rs:4:24
+   |                        -------------- inside `_CONST` at $DIR/issue-88434-removal-index-should-be-less.rs:3:24
 ...
 LL |     panic!()
    |     ^^^^^^^^
    |     |
-   |     the evaluated program panicked at 'explicit panic', $DIR/issue-88434-removal-index-should-be-less.rs:10:5
-   |     inside `f::<[closure@$DIR/issue-88434-removal-index-should-be-less.rs:4:31: 4:37]>` at $SRC_DIR/std/src/panic.rs:LL:COL
+   |     the evaluated program panicked at 'explicit panic', $DIR/issue-88434-removal-index-should-be-less.rs:9:5
+   |     inside `f::<[closure@$DIR/issue-88434-removal-index-should-be-less.rs:3:31: 3:37]>` at $SRC_DIR/std/src/panic.rs:LL:COL
    |
    = note: this error originates in the macro `$crate::panic::panic_2015` (in Nightly builds, run with -Z macro-backtrace for more info)
 

src/test/ui/const-generics/generic_const_exprs/issue-85848.rs

@@ -1,4 +1,4 @@
-#![feature(const_fn_trait_bound, generic_const_exprs)]
+#![feature(generic_const_exprs)]
 #![allow(incomplete_features)]
 
 trait _Contains<T> {

src/test/ui/const-generics/issues/issue-79674.rs

@@ -1,4 +1,4 @@
-#![feature(const_fn_trait_bound, generic_const_exprs)]
+#![feature(generic_const_exprs)]
 #![allow(incomplete_features)]
 
 trait MiniTypeId {

src/test/ui/consts/auxiliary/const_fn_lib.rs

@@ -1,6 +1,5 @@
 // Crate that exports a const fn. Used for testing cross-crate.
 
-#![feature(const_fn_fn_ptr_basics)]
 #![crate_type="rlib"]
 
 pub const fn foo() -> usize { 22 }

src/test/ui/consts/const-block-const-bound.rs

@@ -1,5 +1,5 @@
 #![allow(unused)]
-#![feature(const_fn_trait_bound, const_trait_impl, inline_const, negative_impls)]
+#![feature(const_trait_impl, inline_const, negative_impls)]
 
 const fn f<T: ~const Drop>(x: T) {}