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Update the bootstrap compiler

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Note this does not change `core::derive` since it was merged after the
beta bump.
This commit is contained in:
Joshua Nelson 2021-02-13 18:05:07 -05:00 committed by Mark Rousskov
parent 83b30a639d
commit 3733275854
17 changed files with 48 additions and 112 deletions
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1
compiler/rustc_arena/src/lib.rs
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@ -14,7 +14,6 @@
#![feature(dropck_eyepatch)]
#![feature(new_uninit)]
#![feature(maybe_uninit_slice)]
#![cfg_attr(bootstrap, feature(min_const_generics))]
#![feature(min_specialization)]
#![cfg_attr(test, feature(test))]

1
compiler/rustc_data_structures/src/lib.rs
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@ -26,7 +26,6 @@
#![feature(thread_id_value)]
#![feature(extend_one)]
#![feature(const_panic)]
#![cfg_attr(bootstrap, feature(min_const_generics))]
#![feature(new_uninit)]
#![feature(once_cell)]
#![feature(maybe_uninit_uninit_array)]

1
compiler/rustc_serialize/src/lib.rs
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@ -13,7 +13,6 @@
#![feature(never_type)]
#![feature(nll)]
#![feature(associated_type_bounds)]
#![cfg_attr(bootstrap, feature(min_const_generics))]
#![feature(min_specialization)]
#![feature(vec_spare_capacity)]
#![feature(core_intrinsics)]

1
library/alloc/src/lib.rs
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@ -118,7 +118,6 @@
#![feature(range_bounds_assert_len)]
#![feature(rustc_attrs)]
#![feature(receiver_trait)]
#![cfg_attr(bootstrap, feature(min_const_generics))]
#![feature(min_specialization)]
#![feature(set_ptr_value)]
#![feature(slice_ptr_get)]

4
library/alloc/src/task.rs
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@ -85,8 +85,6 @@ fn wake_by_ref(self: &Arc<Self>) {
}
}
#[cfg_attr(bootstrap, allow(rustc::ineffective_unstable_trait_impl))]
#[cfg_attr(not(bootstrap), allow(ineffective_unstable_trait_impl))]
#[stable(feature = "wake_trait", since = "1.51.0")]
impl<W: Wake + Send + Sync + 'static> From<Arc<W>> for Waker {
fn from(waker: Arc<W>) -> Waker {
@ -96,8 +94,6 @@ fn from(waker: Arc<W>) -> Waker {
}
}
#[cfg_attr(bootstrap, allow(rustc::ineffective_unstable_trait_impl))]
#[cfg_attr(not(bootstrap), allow(ineffective_unstable_trait_impl))]
#[stable(feature = "wake_trait", since = "1.51.0")]
impl<W: Wake + Send + Sync + 'static> From<Arc<W>> for RawWaker {
fn from(waker: Arc<W>) -> RawWaker {

2
library/alloc/tests/slice.rs
View File

@ -1798,7 +1798,7 @@ macro_rules! n {
macro_rules! c {
($inp:expr, $typ:ty, $out:expr $(,)?) => {
assert_eq!($out, identity::<$typ>($inp));
assert_eq!($out, identity::<$typ>($inp))
};
}

1
library/core/src/lib.rs
View File

@ -128,7 +128,6 @@
#![feature(repr_simd, platform_intrinsics)]
#![feature(rustc_attrs)]
#![feature(simd_ffi)]
#![cfg_attr(bootstrap, feature(min_const_generics))]
#![feature(min_specialization)]
#![feature(staged_api)]
#![feature(std_internals)]

22
library/core/src/macros/mod.rs
View File

@ -1,25 +1,3 @@
#[cfg(bootstrap)]
#[doc(include = "panic.md")]
#[macro_export]
#[allow_internal_unstable(core_panic)]
#[stable(feature = "core", since = "1.6.0")]
#[rustc_diagnostic_item = "core_panic_macro"]
macro_rules! panic {
() => (
$crate::panic!("explicit panic")
);
($msg:literal $(,)?) => (
$crate::panicking::panic($msg)
);
($msg:expr $(,)?) => (
$crate::panicking::panic_str($msg)
);
($fmt:expr, $($arg:tt)+) => (
$crate::panicking::panic_fmt($crate::format_args!($fmt, $($arg)+))
);
}
#[cfg(not(bootstrap))]
#[doc(include = "panic.md")]
#[macro_export]
#[rustc_builtin_macro = "core_panic"]

8
library/core/src/mem/mod.rs
View File

@ -4,7 +4,6 @@
//! types, initializing and manipulating memory.
#![stable(feature = "rust1", since = "1.0.0")]
#![cfg_attr(bootstrap, allow(unused_unsafe))]
use crate::clone;
use crate::cmp;
@ -152,13 +151,6 @@ pub const fn forget<T>(t: T) {
#[inline]
#[unstable(feature = "forget_unsized", issue = "none")]
pub fn forget_unsized<T: ?Sized>(t: T) {
#[cfg(bootstrap)]
// SAFETY: the forget intrinsic could be safe, but there's no point in making it safe since
// we'll be implementing this function soon via `ManuallyDrop`
unsafe {
intrinsics::forget(t)
}
#[cfg(not(bootstrap))]
intrinsics::forget(t)
}

3
library/core/tests/lib.rs
View File

@ -94,10 +94,7 @@
mod char;
mod clone;
mod cmp;
#[cfg(not(bootstrap))]
mod const_ptr;
mod fmt;
mod hash;
mod intrinsics;

1
library/core/tests/mem.rs
View File

@ -284,7 +284,6 @@ fn drop(&mut self) {
}
#[test]
#[cfg(not(bootstrap))]
fn uninit_const_assume_init_read() {
const FOO: u32 = unsafe { MaybeUninit::new(42).assume_init_read() };
assert_eq!(FOO, 42);

4
library/std/src/lib.rs
View File

@ -185,8 +185,8 @@
//! [other]: #what-is-in-the-standard-library-documentation
//! [primitive types]: ../book/ch03-02-data-types.html
//! [rust-discord]: https://discord.gg/rust-lang
#![cfg_attr(not(bootstrap), doc = "[array]: prim@array")]
#![cfg_attr(not(bootstrap), doc = "[slice]: prim@slice")]
//! [array]: prim@array
//! [slice]: prim@slice
#![cfg_attr(not(feature = "restricted-std"), stable(feature = "rust1", since = "1.0.0"))]
#![cfg_attr(feature = "restricted-std", unstable(feature = "restricted_std", issue = "none"))]
#![doc(

15
library/std/src/macros.rs
View File

@ -4,21 +4,6 @@
//! library. Each macro is available for use when linking against the standard
//! library.
#[cfg(bootstrap)]
#[doc(include = "../../core/src/macros/panic.md")]
#[macro_export]
#[stable(feature = "rust1", since = "1.0.0")]
#[allow_internal_unstable(libstd_sys_internals)]
#[cfg_attr(not(test), rustc_diagnostic_item = "std_panic_macro")]
macro_rules! panic {
() => ({ $crate::panic!("explicit panic") });
($msg:expr $(,)?) => ({ $crate::rt::begin_panic($msg) });
($fmt:expr, $($arg:tt)+) => ({
$crate::rt::begin_panic_fmt(&$crate::format_args!($fmt, $($arg)+))
});
}
#[cfg(not(bootstrap))]
#[doc(include = "../../core/src/macros/panic.md")]
#[macro_export]
#[rustc_builtin_macro = "std_panic"]

3
src/bootstrap/bootstrap.py
View File

@ -877,8 +877,7 @@ class RustBuild(object):
target_linker = self.get_toml("linker", build_section)
if target_linker is not None:
env["RUSTFLAGS"] += " -C linker=" + target_linker
# cfg(bootstrap): Add `-Wsemicolon_in_expressions_from_macros` after the next beta bump
env["RUSTFLAGS"] += " -Wrust_2018_idioms -Wunused_lifetimes"
env["RUSTFLAGS"] += " -Wrust_2018_idioms -Wunused_lifetimes -Wsemicolon_in_expressions_from_macros"
if self.get_toml("deny-warnings", "rust") != "false":
env["RUSTFLAGS"] += " -Dwarnings"

5
src/bootstrap/builder.rs
View File

@ -1279,12 +1279,7 @@ pub fn cargo(
// some code doesn't go through this `rustc` wrapper.
lint_flags.push("-Wrust_2018_idioms");
lint_flags.push("-Wunused_lifetimes");
// cfg(bootstrap): unconditionally enable this warning after the next beta bump
// This is currently disabled for the stage1 libstd, since build scripts
// will end up using the bootstrap compiler (which doesn't yet support this lint)
if compiler.stage != 0 && mode != Mode::Std {
lint_flags.push("-Wsemicolon_in_expressions_from_macros");
}
if self.config.deny_warnings {
lint_flags.push("-Dwarnings");

2
src/stage0.txt
View File

@ -12,7 +12,7 @@
# stable release's version number. `date` is the date where the release we're
# bootstrapping off was released.
date: 2020-12-30
date: 2021-02-14
rustc: beta
# We use a nightly rustfmt to format the source because it solves some

84
src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#5}.-------.InstrumentCoverage.0.html
View File

@ -69,47 +69,47 @@ For revisions in Pull Requests (PR):
</style>
</head>
<body>
<div class="code" style="counter-reset: line 110"><span class="line"> <span><span class="code even" style="--layer: 1" title="111:23-113:6: @0[5]: _15 = const main::{closure#5}::promoted[1]
111:23-113:6: @0[6]: _7 = &amp;(*_15)
111:23-113:6: @0[7]: _6 = &amp;(*_7)
111:23-113:6: @0[8]: _5 = move _6 as &amp;[&amp;str] (Pointer(Unsize))
112:28-112:61: @0[14]: _13 = ()
112:28-112:61: @0[15]: FakeRead(ForMatchedPlace, _13)
112:28-112:61: @0[16]: _14 = const main::{closure#5}::promoted[0]
112:28-112:61: @0[17]: _11 = &amp;(*_14)
112:28-112:61: @0[18]: _10 = &amp;(*_11)
112:28-112:61: @0[19]: _9 = move _10 as &amp;[std::fmt::ArgumentV1] (Pointer(Unsize))
112:28-112:61: @0.Call: _4 = std::fmt::Arguments::new_v1(move _5, move _9) -&gt; [return: bb1, unwind: bb3]
112:9-112:62: @1.Call: _3 = std::io::_print(move _4) -&gt; [return: bb2, unwind: bb3]
111:23-113:6: @2[5]: _0 = const ()
111:23-113:6: @2.Return: return"><span class="annotation">@0,1,2⦊</span>{</span></span>
<span class="line"><span class="code even" style="--layer: 1" title="111:23-113:6: @0[5]: _15 = const main::{closure#5}::promoted[1]
111:23-113:6: @0[6]: _7 = &amp;(*_15)
111:23-113:6: @0[7]: _6 = &amp;(*_7)
111:23-113:6: @0[8]: _5 = move _6 as &amp;[&amp;str] (Pointer(Unsize))
112:28-112:61: @0[14]: _13 = ()
112:28-112:61: @0[15]: FakeRead(ForMatchedPlace, _13)
112:28-112:61: @0[16]: _14 = const main::{closure#5}::promoted[0]
112:28-112:61: @0[17]: _11 = &amp;(*_14)
112:28-112:61: @0[18]: _10 = &amp;(*_11)
112:28-112:61: @0[19]: _9 = move _10 as &amp;[std::fmt::ArgumentV1] (Pointer(Unsize))
112:28-112:61: @0.Call: _4 = std::fmt::Arguments::new_v1(move _5, move _9) -&gt; [return: bb1, unwind: bb3]
112:9-112:62: @1.Call: _3 = std::io::_print(move _4) -&gt; [return: bb2, unwind: bb3]
111:23-113:6: @2[5]: _0 = const ()
111:23-113:6: @2.Return: return"> $crate::io::_print($crate::format_args_nl!($($arg)*));</span></span>
<span class="line"><span class="code even" style="--layer: 1" title="111:23-113:6: @0[5]: _15 = const main::{closure#5}::promoted[1]
111:23-113:6: @0[6]: _7 = &amp;(*_15)
111:23-113:6: @0[7]: _6 = &amp;(*_7)
111:23-113:6: @0[8]: _5 = move _6 as &amp;[&amp;str] (Pointer(Unsize))
112:28-112:61: @0[14]: _13 = ()
112:28-112:61: @0[15]: FakeRead(ForMatchedPlace, _13)
112:28-112:61: @0[16]: _14 = const main::{closure#5}::promoted[0]
112:28-112:61: @0[17]: _11 = &amp;(*_14)
112:28-112:61: @0[18]: _10 = &amp;(*_11)
112:28-112:61: @0[19]: _9 = move _10 as &amp;[std::fmt::ArgumentV1] (Pointer(Unsize))
112:28-112:61: @0.Call: _4 = std::fmt::Arguments::new_v1(move _5, move _9) -&gt; [return: bb1, unwind: bb3]
112:9-112:62: @1.Call: _3 = std::io::_print(move _4) -&gt; [return: bb2, unwind: bb3]
111:23-113:6: @2[5]: _0 = const ()
111:23-113:6: @2.Return: return"> }<span class="annotation">⦉@0,1,2</span></span></span></span></div>
<div class="code" style="counter-reset: line 95"><span class="line"> <span><span class="code even" style="--layer: 1" title="96:23-98:6: @0[5]: _15 = const main::{closure#5}::promoted[1]
96:23-98:6: @0[6]: _7 = &amp;(*_15)
96:23-98:6: @0[7]: _6 = &amp;(*_7)
96:23-98:6: @0[8]: _5 = move _6 as &amp;[&amp;str] (Pointer(Unsize))
97:28-97:61: @0[14]: _13 = ()
97:28-97:61: @0[15]: FakeRead(ForMatchedPlace, _13)
97:28-97:61: @0[16]: _14 = const main::{closure#5}::promoted[0]
97:28-97:61: @0[17]: _11 = &amp;(*_14)
97:28-97:61: @0[18]: _10 = &amp;(*_11)
97:28-97:61: @0[19]: _9 = move _10 as &amp;[std::fmt::ArgumentV1] (Pointer(Unsize))
97:28-97:61: @0.Call: _4 = std::fmt::Arguments::new_v1(move _5, move _9) -&gt; [return: bb1, unwind: bb3]
97:9-97:62: @1.Call: _3 = std::io::_print(move _4) -&gt; [return: bb2, unwind: bb3]
96:23-98:6: @2[5]: _0 = const ()
96:23-98:6: @2.Return: return"><span class="annotation">@0,1,2⦊</span>{</span></span>
<span class="line"><span class="code even" style="--layer: 1" title="96:23-98:6: @0[5]: _15 = const main::{closure#5}::promoted[1]
96:23-98:6: @0[6]: _7 = &amp;(*_15)
96:23-98:6: @0[7]: _6 = &amp;(*_7)
96:23-98:6: @0[8]: _5 = move _6 as &amp;[&amp;str] (Pointer(Unsize))
97:28-97:61: @0[14]: _13 = ()
97:28-97:61: @0[15]: FakeRead(ForMatchedPlace, _13)
97:28-97:61: @0[16]: _14 = const main::{closure#5}::promoted[0]
97:28-97:61: @0[17]: _11 = &amp;(*_14)
97:28-97:61: @0[18]: _10 = &amp;(*_11)
97:28-97:61: @0[19]: _9 = move _10 as &amp;[std::fmt::ArgumentV1] (Pointer(Unsize))
97:28-97:61: @0.Call: _4 = std::fmt::Arguments::new_v1(move _5, move _9) -&gt; [return: bb1, unwind: bb3]
97:9-97:62: @1.Call: _3 = std::io::_print(move _4) -&gt; [return: bb2, unwind: bb3]
96:23-98:6: @2[5]: _0 = const ()
96:23-98:6: @2.Return: return"> $crate::io::_print($crate::format_args_nl!($($arg)*));</span></span>
<span class="line"><span class="code even" style="--layer: 1" title="96:23-98:6: @0[5]: _15 = const main::{closure#5}::promoted[1]
96:23-98:6: @0[6]: _7 = &amp;(*_15)
96:23-98:6: @0[7]: _6 = &amp;(*_7)
96:23-98:6: @0[8]: _5 = move _6 as &amp;[&amp;str] (Pointer(Unsize))
97:28-97:61: @0[14]: _13 = ()
97:28-97:61: @0[15]: FakeRead(ForMatchedPlace, _13)
97:28-97:61: @0[16]: _14 = const main::{closure#5}::promoted[0]
97:28-97:61: @0[17]: _11 = &amp;(*_14)
97:28-97:61: @0[18]: _10 = &amp;(*_11)
97:28-97:61: @0[19]: _9 = move _10 as &amp;[std::fmt::ArgumentV1] (Pointer(Unsize))
97:28-97:61: @0.Call: _4 = std::fmt::Arguments::new_v1(move _5, move _9) -&gt; [return: bb1, unwind: bb3]
97:9-97:62: @1.Call: _3 = std::io::_print(move _4) -&gt; [return: bb2, unwind: bb3]
96:23-98:6: @2[5]: _0 = const ()
96:23-98:6: @2.Return: return"> }<span class="annotation">⦉@0,1,2</span></span></span></span></div>
</body>
</html>