Cleanup feature gates.

compiler/rustc_interface/src/passes.rs

@@ -932,6 +932,11 @@ fn analysis(tcx: TyCtxt<'_>, (): ()) -> Result<()> {
                     tcx.ensure().check_mod_const_bodies(module);
                 });
             },
+            {
+                sess.time("unused_lib_feature_checking", || {
+                    rustc_passes::stability::check_unused_or_stable_features(tcx)
+                });
+            },
             {
                 // We force these querie to run,
                 // since they might not otherwise get called.
@@ -1010,11 +1015,6 @@ fn analysis(tcx: TyCtxt<'_>, (): ()) -> Result<()> {
                         tcx.hir()
                             .par_for_each_module(|module| tcx.ensure().check_mod_deathness(module));
                     },
-                    {
-                        sess.time("unused_lib_feature_checking", || {
-                            rustc_passes::stability::check_unused_or_stable_features(tcx)
-                        });
-                    },
                     {
                         sess.time("lint_checking", || {
                             rustc_lint::check_crate(tcx, || {

src/test/ui/alloc-error/alloc-error-handler-bad-signature-1.rs

@@ -1,6 +1,6 @@
 // compile-flags:-C panic=abort
 
-#![feature(alloc_error_handler, panic_handler)]
+#![feature(alloc_error_handler)]
 #![no_std]
 #![no_main]
 

src/test/ui/alloc-error/alloc-error-handler-bad-signature-2.rs

@@ -1,6 +1,6 @@
 // compile-flags:-C panic=abort
 
-#![feature(alloc_error_handler, panic_handler)]
+#![feature(alloc_error_handler)]
 #![no_std]
 #![no_main]
 

src/test/ui/alloc-error/alloc-error-handler-bad-signature-3.rs

@@ -1,6 +1,6 @@
 // compile-flags:-C panic=abort
 
-#![feature(alloc_error_handler, panic_handler)]
+#![feature(alloc_error_handler)]
 #![no_std]
 #![no_main]
 

src/test/ui/asm/naked-functions.rs

@@ -4,7 +4,6 @@
 // ignore-wasm32
 
 #![feature(naked_functions)]
-#![feature(or_patterns)]
 #![feature(asm_const, asm_sym, asm_unwind)]
 #![crate_type = "lib"]
 

src/test/ui/asm/naked-functions.stderr

@@ -1,43 +1,43 @@
 error: asm with the `pure` option must have at least one output
-  --> $DIR/naked-functions.rs:111:14
+  --> $DIR/naked-functions.rs:110:14
    |
 LL |     asm!("", options(readonly, nostack), options(pure));
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
 
 error: patterns not allowed in naked function parameters
-  --> $DIR/naked-functions.rs:21:5
+  --> $DIR/naked-functions.rs:20:5
    |
 LL |     mut a: u32,
    |     ^^^^^
 
 error: patterns not allowed in naked function parameters
-  --> $DIR/naked-functions.rs:23:5
+  --> $DIR/naked-functions.rs:22:5
    |
 LL |     &b: &i32,
    |     ^^
 
 error: patterns not allowed in naked function parameters
-  --> $DIR/naked-functions.rs:25:6
+  --> $DIR/naked-functions.rs:24:6
    |
 LL |     (None | Some(_)): Option<std::ptr::NonNull<u8>>,
    |      ^^^^^^^^^^^^^^
 
 error: patterns not allowed in naked function parameters
-  --> $DIR/naked-functions.rs:27:5
+  --> $DIR/naked-functions.rs:26:5
    |
 LL |     P { x, y }: P,
    |     ^^^^^^^^^^
 
 error: referencing function parameters is not allowed in naked functions
-  --> $DIR/naked-functions.rs:36:5
+  --> $DIR/naked-functions.rs:35:5
    |
 LL |     a + 1
    |     ^
    |
    = help: follow the calling convention in asm block to use parameters
 
 error[E0787]: naked functions must contain a single asm block
-  --> $DIR/naked-functions.rs:34:1
+  --> $DIR/naked-functions.rs:33:1
    |
 LL | / pub unsafe extern "C" fn inc(a: u32) -> u32 {
 LL | |
@@ -48,21 +48,21 @@ LL | | }
    | |_^
 
 error: referencing function parameters is not allowed in naked functions
-  --> $DIR/naked-functions.rs:42:31
+  --> $DIR/naked-functions.rs:41:31
    |
 LL |     asm!("/* {0} */", in(reg) a, options(noreturn));
    |                               ^
    |
    = help: follow the calling convention in asm block to use parameters
 
 error[E0787]: only `const` and `sym` operands are supported in naked functions
-  --> $DIR/naked-functions.rs:42:23
+  --> $DIR/naked-functions.rs:41:23
    |
 LL |     asm!("/* {0} */", in(reg) a, options(noreturn));
    |                       ^^^^^^^^^
 
 error[E0787]: naked functions must contain a single asm block
-  --> $DIR/naked-functions.rs:48:1
+  --> $DIR/naked-functions.rs:47:1
    |
 LL | / pub unsafe extern "C" fn inc_closure(a: u32) -> u32 {
 LL | |
@@ -72,7 +72,7 @@ LL | | }
    | |_^
 
 error[E0787]: only `const` and `sym` operands are supported in naked functions
-  --> $DIR/naked-functions.rs:65:10
+  --> $DIR/naked-functions.rs:64:10
    |
 LL |          in(reg) a,
    |          ^^^^^^^^^
@@ -87,7 +87,7 @@ LL |          out(reg) e,
    |          ^^^^^^^^^^
 
 error[E0787]: asm in naked functions must use `noreturn` option
-  --> $DIR/naked-functions.rs:63:5
+  --> $DIR/naked-functions.rs:62:5
    |
 LL | /     asm!("/* {0} {1} {2} {3} {4} {5} {6} */",
 LL | |
@@ -99,7 +99,7 @@ LL | |     );
    | |_____^
 
 error[E0787]: naked functions must contain a single asm block
-  --> $DIR/naked-functions.rs:54:1
+  --> $DIR/naked-functions.rs:53:1
    |
 LL | / pub unsafe extern "C" fn unsupported_operands() {
 LL | |
@@ -119,33 +119,33 @@ LL | | }
    | |_^
 
 error[E0787]: naked functions must contain a single asm block
-  --> $DIR/naked-functions.rs:77:1
+  --> $DIR/naked-functions.rs:76:1
    |
 LL | / pub extern "C" fn missing_assembly() {
 LL | |
 LL | | }
    | |_^
 
 error[E0787]: asm in naked functions must use `noreturn` option
-  --> $DIR/naked-functions.rs:84:5
+  --> $DIR/naked-functions.rs:83:5
    |
 LL |     asm!("");
    |     ^^^^^^^^
 
 error[E0787]: asm in naked functions must use `noreturn` option
-  --> $DIR/naked-functions.rs:86:5
+  --> $DIR/naked-functions.rs:85:5
    |
 LL |     asm!("");
    |     ^^^^^^^^
 
 error[E0787]: asm in naked functions must use `noreturn` option
-  --> $DIR/naked-functions.rs:88:5
+  --> $DIR/naked-functions.rs:87:5
    |
 LL |     asm!("");
    |     ^^^^^^^^
 
 error[E0787]: naked functions must contain a single asm block
-  --> $DIR/naked-functions.rs:82:1
+  --> $DIR/naked-functions.rs:81:1
    |
 LL | / pub extern "C" fn too_many_asm_blocks() {
 LL | |
@@ -163,15 +163,15 @@ LL | | }
    | |_^
 
 error: referencing function parameters is not allowed in naked functions
-  --> $DIR/naked-functions.rs:97:11
+  --> $DIR/naked-functions.rs:96:11
    |
 LL |         *&y
    |           ^
    |
    = help: follow the calling convention in asm block to use parameters
 
 error[E0787]: naked functions must contain a single asm block
-  --> $DIR/naked-functions.rs:95:5
+  --> $DIR/naked-functions.rs:94:5
    |
 LL | /     pub extern "C" fn inner(y: usize) -> usize {
 LL | |
@@ -182,75 +182,75 @@ LL | |     }
    | |_____^
 
 error[E0787]: asm options unsupported in naked functions: `nomem`, `preserves_flags`
-  --> $DIR/naked-functions.rs:105:5
+  --> $DIR/naked-functions.rs:104:5
    |
 LL |     asm!("", options(nomem, preserves_flags, noreturn));
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0787]: asm options unsupported in naked functions: `nostack`, `pure`, `readonly`
-  --> $DIR/naked-functions.rs:111:5
+  --> $DIR/naked-functions.rs:110:5
    |
 LL |     asm!("", options(readonly, nostack), options(pure));
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0787]: asm in naked functions must use `noreturn` option
-  --> $DIR/naked-functions.rs:111:5
+  --> $DIR/naked-functions.rs:110:5
    |
 LL |     asm!("", options(readonly, nostack), options(pure));
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0787]: asm options unsupported in naked functions: `may_unwind`
-  --> $DIR/naked-functions.rs:119:5
+  --> $DIR/naked-functions.rs:118:5
    |
 LL |     asm!("", options(noreturn, may_unwind));
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: Rust ABI is unsupported in naked functions
-  --> $DIR/naked-functions.rs:124:15
+  --> $DIR/naked-functions.rs:123:15
    |
 LL | pub unsafe fn default_abi() {
    |               ^^^^^^^^^^^
    |
    = note: `#[warn(undefined_naked_function_abi)]` on by default
 
 warning: Rust ABI is unsupported in naked functions
-  --> $DIR/naked-functions.rs:130:15
+  --> $DIR/naked-functions.rs:129:15
    |
 LL | pub unsafe fn rust_abi() {
    |               ^^^^^^^^
 
 error: naked functions cannot be inlined
-  --> $DIR/naked-functions.rs:170:1
+  --> $DIR/naked-functions.rs:169:1
    |
 LL | #[inline]
    | ^^^^^^^^^
 
 error: naked functions cannot be inlined
-  --> $DIR/naked-functions.rs:177:1
+  --> $DIR/naked-functions.rs:176:1
    |
 LL | #[inline(always)]
    | ^^^^^^^^^^^^^^^^^
 
 error: naked functions cannot be inlined
-  --> $DIR/naked-functions.rs:184:1
+  --> $DIR/naked-functions.rs:183:1
    |
 LL | #[inline(never)]
    | ^^^^^^^^^^^^^^^^
 
 error: naked functions cannot be inlined
-  --> $DIR/naked-functions.rs:191:1
+  --> $DIR/naked-functions.rs:190:1
    |
 LL | #[inline]
    | ^^^^^^^^^
 
 error: naked functions cannot be inlined
-  --> $DIR/naked-functions.rs:193:1
+  --> $DIR/naked-functions.rs:192:1
    |
 LL | #[inline(always)]
    | ^^^^^^^^^^^^^^^^^
 
 error: naked functions cannot be inlined
-  --> $DIR/naked-functions.rs:195:1
+  --> $DIR/naked-functions.rs:194:1
    |
 LL | #[inline(never)]
    | ^^^^^^^^^^^^^^^^

src/test/ui/associated-consts/associated-const-in-trait.rs

@@ -1,7 +1,5 @@
 // #29924
 
-#![feature(associated_consts)]
-
 trait Trait {
     const N: usize;
 }

src/test/ui/associated-consts/associated-const-in-trait.stderr

@@ -1,11 +1,11 @@
 error[E0038]: the trait `Trait` cannot be made into an object
-  --> $DIR/associated-const-in-trait.rs:9:6
+  --> $DIR/associated-const-in-trait.rs:7:6
    |
 LL | impl dyn Trait {
    |      ^^^^^^^^^ `Trait` cannot be made into an object
    |
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
-  --> $DIR/associated-const-in-trait.rs:6:11
+  --> $DIR/associated-const-in-trait.rs:4:11
    |
 LL | trait Trait {
    |       ----- this trait cannot be made into an object...

src/test/ui/async-await/try-on-option-in-async.rs

@@ -1,4 +1,4 @@
-#![feature(try_trait, async_closure)]
+#![feature(async_closure)]
 // edition:2018
 fn main() {}
 

src/test/ui/attributes/const-stability-on-macro.rs

@@ -1,3 +1,6 @@
+#![feature(staged_api)]
+#![stable(feature = "rust1", since = "1.0.0")]
+
 #[rustc_const_stable(feature = "foo", since = "0")]
 //~^ ERROR macros cannot have const stability attributes
 macro_rules! foo {

src/test/ui/attributes/const-stability-on-macro.stderr

@@ -1,5 +1,5 @@
 error: macros cannot have const stability attributes
-  --> $DIR/const-stability-on-macro.rs:1:1
+  --> $DIR/const-stability-on-macro.rs:4:1
    |
 LL | #[rustc_const_stable(feature = "foo", since = "0")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid const stability attribute
@@ -8,7 +8,7 @@ LL | macro_rules! foo {
    | ---------------- const stability attribute affects this macro
 
 error: macros cannot have const stability attributes
-  --> $DIR/const-stability-on-macro.rs:7:1
+  --> $DIR/const-stability-on-macro.rs:10:1
    |
 LL | #[rustc_const_unstable(feature = "bar", issue="none")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid const stability attribute

src/test/ui/attributes/extented-attribute-macro-error.rs

@@ -1,6 +1,5 @@
 // normalize-stderr-test: "couldn't read.*" -> "couldn't read the file"
 
-#![feature(extended_key_value_attributes)]
 #![doc = include_str!("../not_existing_file.md")]
 struct Documented {}
 //~^^ ERROR couldn't read

src/test/ui/attributes/extented-attribute-macro-error.stderr

@@ -1,5 +1,5 @@
 error: couldn't read the file
-  --> $DIR/extented-attribute-macro-error.rs:4:10
+  --> $DIR/extented-attribute-macro-error.rs:3:10
    |
 LL | #![doc = include_str!("../not_existing_file.md")]
    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

src/test/ui/const-generics/issues/issue-82956.rs

@@ -1,4 +1,4 @@
-#![feature(generic_const_exprs, array_map)]
+#![feature(generic_const_exprs)]
 #![allow(incomplete_features)]
 
 pub struct ConstCheck<const CHECK: bool>;

src/test/ui/consts/const-array-oob-arith.rs

@@ -1,5 +1,3 @@
-#![feature(const_indexing)]
-
 const ARR: [i32; 6] = [42, 43, 44, 45, 46, 47];
 const IDX: usize = 3;
 const VAL: i32 = ARR[IDX];

src/test/ui/consts/const-array-oob-arith.stderr

@@ -1,11 +1,11 @@
 error[E0308]: mismatched types
-  --> $DIR/const-array-oob-arith.rs:7:45
+  --> $DIR/const-array-oob-arith.rs:5:45
    |
 LL | const BLUB: [i32; (ARR[0] - 40) as usize] = [5];
    |                                             ^^^ expected an array with a fixed size of 2 elements, found one with 1 element
 
 error[E0308]: mismatched types
-  --> $DIR/const-array-oob-arith.rs:10:44
+  --> $DIR/const-array-oob-arith.rs:8:44
    |
 LL | const BOO: [i32; (ARR[0] - 41) as usize] = [5, 99];
    |                                            ^^^^^^^ expected an array with a fixed size of 1 element, found one with 2 elements