diff --git a/library/alloc/src/alloc.rs b/library/alloc/src/alloc.rs index 3427c83a18f..edbbe3603a7 100644 --- a/library/alloc/src/alloc.rs +++ b/library/alloc/src/alloc.rs @@ -358,7 +358,7 @@ pub(crate) unsafe fn box_free(ptr: Unique, alloc: A) /// [`set_alloc_error_hook`]: ../../std/alloc/fn.set_alloc_error_hook.html /// [`take_alloc_error_hook`]: ../../std/alloc/fn.take_alloc_error_hook.html #[stable(feature = "global_alloc", since = "1.28.0")] -#[cfg(not(any(test, bootstrap)))] +#[cfg(not(test))] #[rustc_allocator_nounwind] pub fn handle_alloc_error(layout: Layout) -> ! { unsafe { @@ -370,22 +370,7 @@ pub fn handle_alloc_error(layout: Layout) -> ! { #[cfg(test)] pub use std::alloc::handle_alloc_error; -// In stage0 (bootstrap) `__rust_alloc_error_handler`, -// might not be generated yet, because an old compiler is used, -// so use the old direct call. -#[cfg(all(bootstrap, not(test)))] -#[stable(feature = "global_alloc", since = "1.28.0")] -#[doc(hidden)] -#[rustc_allocator_nounwind] -pub fn handle_alloc_error(layout: Layout) -> ! { - extern "Rust" { - #[lang = "oom"] - fn oom_impl(layout: Layout) -> !; - } - unsafe { oom_impl(layout) } -} - -#[cfg(not(any(target_os = "hermit", test, bootstrap)))] +#[cfg(not(any(target_os = "hermit", test)))] #[doc(hidden)] #[allow(unused_attributes)] #[unstable(feature = "alloc_internals", issue = "none")] diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs index f21fc8854d0..dc5db49ee98 100644 --- a/library/alloc/src/lib.rs +++ b/library/alloc/src/lib.rs @@ -72,7 +72,7 @@ #![allow(explicit_outlives_requirements)] #![allow(incomplete_features)] #![deny(unsafe_op_in_unsafe_fn)] -#![cfg_attr(not(bootstrap), feature(rustc_allow_const_fn_unstable))] +#![feature(rustc_allow_const_fn_unstable)] #![cfg_attr(not(test), feature(generator_trait))] #![cfg_attr(test, feature(test))] #![cfg_attr(test, feature(new_uninit))] @@ -130,8 +130,7 @@ #![feature(unicode_internals)] #![feature(unsafe_block_in_unsafe_fn)] #![feature(unsize)] -#![cfg_attr(not(bootstrap), feature(unsized_fn_params))] -#![cfg_attr(bootstrap, feature(unsized_locals))] +#![feature(unsized_fn_params)] #![feature(allocator_internals)] #![feature(slice_partition_dedup)] #![feature(maybe_uninit_extra, maybe_uninit_slice, maybe_uninit_uninit_array)] diff --git a/library/alloc/src/raw_vec.rs b/library/alloc/src/raw_vec.rs index 522c5bcf5af..0c9b491ce32 100644 --- a/library/alloc/src/raw_vec.rs +++ b/library/alloc/src/raw_vec.rs @@ -116,8 +116,7 @@ pub unsafe fn from_raw_parts(ptr: *mut T, capacity: usize) -> Self { impl RawVec { /// Like `new`, but parameterized over the choice of allocator for /// the returned `RawVec`. - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn))] + #[rustc_allow_const_fn_unstable(const_fn)] pub const fn new_in(alloc: A) -> Self { // `cap: 0` means "unallocated". zero-sized types are ignored. Self { ptr: Unique::dangling(), cap: 0, alloc } diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index d67f9c15a19..0f91ff418e3 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -63,7 +63,7 @@ #![warn(missing_debug_implementations)] #![allow(explicit_outlives_requirements)] #![allow(incomplete_features)] -#![cfg_attr(not(bootstrap), feature(rustc_allow_const_fn_unstable))] +#![feature(rustc_allow_const_fn_unstable)] #![feature(allow_internal_unstable)] #![feature(arbitrary_self_types)] #![feature(asm)] @@ -85,7 +85,7 @@ #![feature(const_pin)] #![feature(const_fn)] #![feature(const_fn_union)] -#![cfg_attr(not(bootstrap), feature(const_impl_trait))] +#![feature(const_impl_trait)] #![feature(const_fn_floating_point_arithmetic)] #![feature(const_fn_fn_ptr_basics)] #![feature(const_generics)] @@ -134,9 +134,7 @@ #![feature(transparent_unions)] #![feature(try_blocks)] #![feature(unboxed_closures)] -#![cfg_attr(not(bootstrap), feature(unsized_fn_params))] -#![cfg_attr(bootstrap, feature(unsized_locals))] -#![cfg_attr(bootstrap, feature(untagged_unions))] +#![feature(unsized_fn_params)] #![feature(unwind_attributes)] #![feature(variant_count)] #![feature(tbm_target_feature)] @@ -290,7 +288,7 @@ unused_imports, unsafe_op_in_unsafe_fn )] -#[cfg_attr(not(bootstrap), allow(non_autolinks))] +#[allow(non_autolinks)] // FIXME: This annotation should be moved into rust-lang/stdarch after clashing_extern_declarations is // merged. It currently cannot because bootstrap fails as the lint hasn't been defined yet. #[allow(clashing_extern_declarations)] diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs index 728381b658f..289f14a360a 100644 --- a/library/core/src/num/int_macros.rs +++ b/library/core/src/num/int_macros.rs @@ -2047,8 +2047,7 @@ pub const fn is_negative(self) -> bool { self < 0 } #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")] // SAFETY: const sound because integers are plain old datatypes so we can always // transmute them to arrays of bytes - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn_transmute))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn_transmute))] + #[rustc_allow_const_fn_unstable(const_fn_transmute)] #[inline] pub const fn to_ne_bytes(self) -> [u8; mem::size_of::()] { // SAFETY: integers are plain old datatypes so we can always transmute them to @@ -2196,8 +2195,7 @@ fn read_ne_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")] // SAFETY: const sound because integers are plain old datatypes so we can always // transmute to them - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn_transmute))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn_transmute))] + #[rustc_allow_const_fn_unstable(const_fn_transmute)] #[inline] pub const fn from_ne_bytes(bytes: [u8; mem::size_of::()]) -> Self { // SAFETY: integers are plain old datatypes so we can always transmute to them diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs index adcbbf91433..dbdc9c0fb5f 100644 --- a/library/core/src/num/uint_macros.rs +++ b/library/core/src/num/uint_macros.rs @@ -1805,8 +1805,7 @@ pub const fn wrapping_next_power_of_two(self) -> Self { #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")] // SAFETY: const sound because integers are plain old datatypes so we can always // transmute them to arrays of bytes - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn_transmute))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn_transmute))] + #[rustc_allow_const_fn_unstable(const_fn_transmute)] #[inline] pub const fn to_ne_bytes(self) -> [u8; mem::size_of::()] { // SAFETY: integers are plain old datatypes so we can always transmute them to @@ -1954,8 +1953,7 @@ fn read_ne_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")] // SAFETY: const sound because integers are plain old datatypes so we can always // transmute to them - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn_transmute))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn_transmute))] + #[rustc_allow_const_fn_unstable(const_fn_transmute)] #[inline] pub const fn from_ne_bytes(bytes: [u8; mem::size_of::()]) -> Self { // SAFETY: integers are plain old datatypes so we can always transmute to them diff --git a/library/core/src/panicking.rs b/library/core/src/panicking.rs index 09dd19b8f5f..25651502510 100644 --- a/library/core/src/panicking.rs +++ b/library/core/src/panicking.rs @@ -52,7 +52,7 @@ pub fn panic(expr: &'static str) -> ! { #[inline] #[track_caller] -#[cfg_attr(not(bootstrap), lang = "panic_str")] // needed for const-evaluated panics +#[lang = "panic_str"] // needed for const-evaluated panics pub fn panic_str(expr: &str) -> ! { panic_fmt(format_args!("{}", expr)); } diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index 79ae1d5829a..c88cd05e361 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -88,8 +88,7 @@ impl [T] { #[rustc_const_stable(feature = "const_slice_len", since = "1.32.0")] #[inline] // SAFETY: const sound because we transmute out the length field as a usize (which it must be) - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn_union))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn_union))] + #[rustc_allow_const_fn_unstable(const_fn_union)] pub const fn len(&self) -> usize { // SAFETY: this is safe because `&[T]` and `FatPtr` have the same layout. // Only `std` can make this guarantee. diff --git a/library/core/src/str/converts.rs b/library/core/src/str/converts.rs index 952d0598a7c..73316433e09 100644 --- a/library/core/src/str/converts.rs +++ b/library/core/src/str/converts.rs @@ -157,8 +157,7 @@ pub fn from_utf8_mut(v: &mut [u8]) -> Result<&mut str, Utf8Error> { #[inline] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_unstable(feature = "const_str_from_utf8_unchecked", issue = "75196")] -#[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn_transmute))] -#[cfg_attr(bootstrap, allow_internal_unstable(const_fn_transmute))] +#[rustc_allow_const_fn_unstable(const_fn_transmute)] pub const unsafe fn from_utf8_unchecked(v: &[u8]) -> &str { // SAFETY: the caller must guarantee that the bytes `v` are valid UTF-8. // Also relies on `&str` and `&[u8]` having the same layout. diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs index 23d63a4787e..604e317110c 100644 --- a/library/core/src/str/mod.rs +++ b/library/core/src/str/mod.rs @@ -219,8 +219,7 @@ pub fn is_char_boundary(&self, index: usize) -> bool { #[rustc_const_stable(feature = "str_as_bytes", since = "1.32.0")] #[inline(always)] #[allow(unused_attributes)] - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn_transmute))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn_transmute))] + #[rustc_allow_const_fn_unstable(const_fn_transmute)] pub const fn as_bytes(&self) -> &[u8] { // SAFETY: const sound because we transmute two types with the same layout unsafe { mem::transmute(self) } diff --git a/library/core/src/task/wake.rs b/library/core/src/task/wake.rs index d3c0d9b7841..b775e022a54 100644 --- a/library/core/src/task/wake.rs +++ b/library/core/src/task/wake.rs @@ -130,8 +130,7 @@ impl RawWakerVTable { #[rustc_promotable] #[stable(feature = "futures_api", since = "1.36.0")] #[rustc_const_stable(feature = "futures_api", since = "1.36.0")] - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn_fn_ptr_basics))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn_fn_ptr_basics))] + #[rustc_allow_const_fn_unstable(const_fn_fn_ptr_basics)] pub const fn new( clone: unsafe fn(*const ()) -> RawWaker, wake: unsafe fn(*const ()), diff --git a/library/proc_macro/src/bridge/client.rs b/library/proc_macro/src/bridge/client.rs index dfe5df965cf..c6bec5a6fbd 100644 --- a/library/proc_macro/src/bridge/client.rs +++ b/library/proc_macro/src/bridge/client.rs @@ -401,8 +401,7 @@ fn run_client DecodeMut<'a, 's, ()>, R: Encode<()>>( } impl Client crate::TokenStream> { - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn))] + #[rustc_allow_const_fn_unstable(const_fn)] pub const fn expand1(f: fn(crate::TokenStream) -> crate::TokenStream) -> Self { extern "C" fn run( bridge: Bridge<'_>, @@ -415,8 +414,7 @@ extern "C" fn run( } impl Client crate::TokenStream> { - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn))] + #[rustc_allow_const_fn_unstable(const_fn)] pub const fn expand2( f: fn(crate::TokenStream, crate::TokenStream) -> crate::TokenStream, ) -> Self { @@ -461,8 +459,7 @@ pub fn name(&self) -> &'static str { } } - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn))] + #[rustc_allow_const_fn_unstable(const_fn)] pub const fn custom_derive( trait_name: &'static str, attributes: &'static [&'static str], @@ -471,8 +468,7 @@ pub const fn custom_derive( ProcMacro::CustomDerive { trait_name, attributes, client: Client::expand1(expand) } } - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn))] + #[rustc_allow_const_fn_unstable(const_fn)] pub const fn attr( name: &'static str, expand: fn(crate::TokenStream, crate::TokenStream) -> crate::TokenStream, @@ -480,8 +476,7 @@ pub const fn attr( ProcMacro::Attr { name, client: Client::expand2(expand) } } - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn))] + #[rustc_allow_const_fn_unstable(const_fn)] pub const fn bang( name: &'static str, expand: fn(crate::TokenStream) -> crate::TokenStream, diff --git a/library/proc_macro/src/bridge/scoped_cell.rs b/library/proc_macro/src/bridge/scoped_cell.rs index e7c32b10384..e1307856175 100644 --- a/library/proc_macro/src/bridge/scoped_cell.rs +++ b/library/proc_macro/src/bridge/scoped_cell.rs @@ -35,8 +35,7 @@ fn deref_mut(&mut self) -> &mut Self::Target { pub struct ScopedCell(Cell<>::Out>); impl ScopedCell { - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn))] + #[rustc_allow_const_fn_unstable(const_fn)] pub const fn new(value: >::Out) -> Self { ScopedCell(Cell::new(value)) } diff --git a/library/proc_macro/src/lib.rs b/library/proc_macro/src/lib.rs index 03733d3b3ed..3ba706b09e8 100644 --- a/library/proc_macro/src/lib.rs +++ b/library/proc_macro/src/lib.rs @@ -18,7 +18,7 @@ test(no_crate_inject, attr(deny(warnings))), test(attr(allow(dead_code, deprecated, unused_variables, unused_mut))) )] -#![cfg_attr(not(bootstrap), feature(rustc_allow_const_fn_unstable))] +#![feature(rustc_allow_const_fn_unstable)] #![feature(nll)] #![feature(staged_api)] #![feature(const_fn)] diff --git a/library/std/src/ffi/c_str.rs b/library/std/src/ffi/c_str.rs index 8c6d6c80402..60b642a6dba 100644 --- a/library/std/src/ffi/c_str.rs +++ b/library/std/src/ffi/c_str.rs @@ -1266,7 +1266,7 @@ pub fn from_bytes_with_nul(bytes: &[u8]) -> Result<&CStr, FromBytesWithNulError> /// behavior when `ptr` is used inside the `unsafe` block: /// /// ```no_run - /// # #![allow(unused_must_use)] #![cfg_attr(not(bootstrap), allow(temporary_cstring_as_ptr))] + /// # #![allow(unused_must_use)] #![allow(temporary_cstring_as_ptr)] /// use std::ffi::CString; /// /// let ptr = CString::new("Hello").expect("CString::new failed").as_ptr(); diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index db523f05e01..92dcd8786f5 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -206,7 +206,7 @@ #![needs_panic_runtime] // std may use features in a platform-specific way #![allow(unused_features)] -#![cfg_attr(not(bootstrap), feature(rustc_allow_const_fn_unstable))] +#![feature(rustc_allow_const_fn_unstable)] #![cfg_attr(test, feature(internal_output_capture, print_internals, update_panic_count))] #![cfg_attr( all(target_vendor = "fortanix", target_env = "sgx"), @@ -324,7 +324,6 @@ #![feature(unsafe_block_in_unsafe_fn)] #![feature(unsafe_cell_get_mut)] #![feature(unsafe_cell_raw_get)] -#![cfg_attr(bootstrap, feature(untagged_unions))] #![feature(unwind_attributes)] #![feature(vec_into_raw_parts)] #![feature(wake_trait)] diff --git a/library/std/src/net/ip.rs b/library/std/src/net/ip.rs index bb3ece4c273..04b6f0a5b91 100644 --- a/library/std/src/net/ip.rs +++ b/library/std/src/net/ip.rs @@ -1043,8 +1043,7 @@ impl Ipv6Addr { /// ``` #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_stable(feature = "const_ipv6", since = "1.32.0")] - #[cfg_attr(not(bootstrap), rustc_allow_const_fn_unstable(const_fn_transmute))] - #[cfg_attr(bootstrap, allow_internal_unstable(const_fn_transmute))] + #[rustc_allow_const_fn_unstable(const_fn_transmute)] pub const fn new(a: u16, b: u16, c: u16, d: u16, e: u16, f: u16, g: u16, h: u16) -> Ipv6Addr { let addr16 = [ a.to_be(), diff --git a/src/stage0.txt b/src/stage0.txt index 5b04e0a4985..6e05b66c3fe 100644 --- a/src/stage0.txt +++ b/src/stage0.txt @@ -12,7 +12,7 @@ # stable release's version number. `date` is the date where the release we're # bootstrapping off was released. -date: 2020-10-16 +date: 2020-11-18 rustc: beta # We use a nightly rustfmt to format the source because it solves some