Rustup to rustc 1.61.0-nightly (d53246fed 2022-03-25)

example/mini_core.rs

@@ -14,6 +14,9 @@ unsafe extern "C" fn _Unwind_Resume() {
 #[lang = "sized"]
 pub trait Sized {}
 
+#[lang = "destruct"]
+pub trait Destruct {}
+
 #[lang = "unsize"]
 pub trait Unsize<T: ?Sized> {}
 
@@ -59,6 +62,7 @@ unsafe impl Copy for i16 {}
 unsafe impl Copy for i32 {}
 unsafe impl Copy for isize {}
 unsafe impl Copy for f32 {}
+unsafe impl Copy for f64 {}
 unsafe impl Copy for char {}
 unsafe impl<'a, T: ?Sized> Copy for &'a T {}
 unsafe impl<T: ?Sized> Copy for *const T {}

patches/0024-core-Disable-portable-simd-test.patch

@@ -11,7 +11,7 @@ diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs
 index aa1ad93..95fbf55 100644
 --- a/library/core/src/lib.rs
 +++ b/library/core/src/lib.rs
-@@ -398,25 +398,4 @@ pub mod arch {
+@@ -398,23 +398,4 @@ pub mod arch {
      }
  }
  
@@ -25,12 +25,10 @@ index aa1ad93..95fbf55 100644
 -#[allow(missing_debug_implementations, dead_code, unsafe_op_in_unsafe_fn, unused_unsafe)]
 -#[allow(rustdoc::bare_urls)]
 -#[unstable(feature = "portable_simd", issue = "86656")]
--#[cfg(not(all(miri, doctest)))] // Miri does not support all SIMD intrinsics
 -mod core_simd;
 -
 -#[doc = include_str!("../../portable-simd/crates/core_simd/src/core_simd_docs.md")]
 -#[unstable(feature = "portable_simd", issue = "86656")]
--#[cfg(not(all(miri, doctest)))] // Miri does not support all SIMD intrinsics
 -pub mod simd {
 -    #[unstable(feature = "portable_simd", issue = "86656")]
 -    pub use crate::core_simd::simd::*;
@@ -41,15 +39,14 @@ diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs
 index cd38c3a..ad632dc 100644
 --- a/library/core/src/slice/mod.rs
 +++ b/library/core/src/slice/mod.rs
-@@ -17,7 +17,6 @@ use crate::ptr;
+@@ -17,6 +17,5 @@ use crate::ptr;
  use crate::result::Result;
  use crate::result::Result::{Err, Ok};
- #[cfg(not(miri))] // Miri does not support all SIMD intrinsics
 -use crate::simd::{self, Simd};
  use crate::slice;
  
  #[unstable(
-@@ -3475,123 +3474,6 @@ impl<T> [T] {
+@@ -3475,121 +3474,6 @@ impl<T> [T] {
          }
      }
  
@@ -102,14 +99,13 @@ index cd38c3a..ad632dc 100644
 -    ///         suffix.iter().copied().sum(),
 -    ///     ]);
 -    ///     let sums = middle.iter().copied().fold(sums, f32x4::add);
--    ///     sums.horizontal_sum()
+-    ///     sums.reduce_sum()
 -    /// }
 -    ///
 -    /// let numbers: Vec<f32> = (1..101).map(|x| x as _).collect();
 -    /// assert_eq!(basic_simd_sum(&numbers[1..99]), 4949.0);
 -    /// ```
 -    #[unstable(feature = "portable_simd", issue = "86656")]
--    #[cfg(not(miri))] // Miri does not support all SIMD intrinsics
 -    pub fn as_simd<const LANES: usize>(&self) -> (&[T], &[Simd<T, LANES>], &[T])
 -    where
 -        Simd<T, LANES>: AsRef<[T; LANES]>,
@@ -153,7 +149,6 @@ index cd38c3a..ad632dc 100644
 -    /// be lifted in a way that would make it possible to see panics from this
 -    /// method for something like `LANES == 3`.
 -    #[unstable(feature = "portable_simd", issue = "86656")]
--    #[cfg(not(miri))] // Miri does not support all SIMD intrinsics
 -    pub fn as_simd_mut<const LANES: usize>(&mut self) -> (&mut [T], &mut [Simd<T, LANES>], &mut [T])
 -    where
 -        Simd<T, LANES>: AsMut<[T; LANES]>,
@@ -197,15 +192,14 @@ diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs
 index 5dc586d..b6fc48f 100644
 --- a/library/std/src/lib.rs
 +++ b/library/std/src/lib.rs
-@@ -312,7 +312,6 @@
+@@ -312,6 +312,5 @@
  #![feature(panic_can_unwind)]
  #![feature(panic_unwind)]
  #![feature(platform_intrinsics)]
 -#![feature(portable_simd)]
  #![feature(prelude_import)]
  #![feature(ptr_as_uninit)]
- #![feature(ptr_internals)]
-@@ -508,25 +508,6 @@ pub mod time;
+@@ -508,23 +508,6 @@ pub mod time;
  #[unstable(feature = "once_cell", issue = "74465")]
  pub mod lazy;
  
@@ -215,10 +209,8 @@ index 5dc586d..b6fc48f 100644
 -#[allow(missing_debug_implementations, dead_code, unsafe_op_in_unsafe_fn, unused_unsafe)]
 -#[allow(rustdoc::bare_urls)]
 -#[unstable(feature = "portable_simd", issue = "86656")]
--#[cfg(not(all(miri, doctest)))] // Miri does not support all SIMD intrinsics
 -mod std_float;
 -
--#[cfg(not(all(miri, doctest)))] // Miri does not support all SIMD intrinsics
 -#[doc = include_str!("../../portable-simd/crates/core_simd/src/core_simd_docs.md")]
 -#[unstable(feature = "portable_simd", issue = "86656")]
 -pub mod simd {

patches/0028-core-Disable-long-running-tests.patch

@@ -1,30 +1,32 @@
-From 0ffdd8eda8df364391c8ac6e1ce92c73ba9254d4 Mon Sep 17 00:00:00 2001
+From eb703e627e7a84f1cd8d0d87f0f69da1f0acf765 Mon Sep 17 00:00:00 2001
 From: bjorn3 <bjorn3@users.noreply.github.com>
 Date: Fri, 3 Dec 2021 12:16:30 +0100
 Subject: [PATCH] Disable long running tests
 
 ---
- library/core/tests/slice.rs | 3 +++
- 1 file changed, 3 insertions(+)
+ library/core/tests/slice.rs | 2 ++
+ 1 file changed, 2 insertions(+)
 
 diff --git a/library/core/tests/slice.rs b/library/core/tests/slice.rs
-index 2c8f00a..44847ee 100644
+index 8402833..84592e0 100644
 --- a/library/core/tests/slice.rs
 +++ b/library/core/tests/slice.rs
-@@ -2332,7 +2332,8 @@ macro_rules! empty_max_mut {
-     };
- }
+@@ -2462,6 +2462,7 @@ take_tests! {
+ #[cfg(not(miri))] // unused in Miri
+ const EMPTY_MAX: &'static [()] = &[(); usize::MAX];
  
 +/*
- #[cfg(not(miri))] // Comparing usize::MAX many elements takes forever in Miri (and in rustc without optimizations)
- take_tests! {
-     slice: &[(); usize::MAX], method: take,
-     (take_in_bounds_max_range_to, (..usize::MAX), Some(EMPTY_MAX), &[(); 0]),
-@@ -2345,3 +2347,4 @@ take_tests! {
+ // can't be a constant due to const mutability rules
+ #[cfg(not(miri))] // unused in Miri
+ macro_rules! empty_max_mut {
+@@ -2485,6 +2486,7 @@ take_tests! {
      (take_mut_oob_max_range_to_inclusive, (..=usize::MAX), None, empty_max_mut!()),
      (take_mut_in_bounds_max_range_from, (usize::MAX..), Some(&mut [] as _), empty_max_mut!()),
  }
 +*/
+ 
+ #[test]
+ fn test_slice_from_ptr_range() {
 -- 
 2.26.2.7.g19db9cfb68
 

rust-toolchain

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2022-02-25"
+channel = "nightly-2022-03-26"
 components = ["rust-src", "rustc-dev", "llvm-tools-preview"]

src/builder.rs

@@ -1252,7 +1252,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
     }
 
     fn do_not_inline(&mut self, _llret: RValue<'gcc>) {
-        unimplemented!();
+        // FIMXE(bjorn3): implement
     }
 
     fn set_span(&mut self, _span: Span) {}

src/lib.rs

@@ -64,6 +64,7 @@ use rustc_errors::{ErrorGuaranteed, Handler};
 use rustc_metadata::EncodedMetadata;
 use rustc_middle::dep_graph::{WorkProduct, WorkProductId};
 use rustc_middle::ty::TyCtxt;
+use rustc_middle::ty::query::Providers;
 use rustc_session::config::{Lto, OptLevel, OutputFilenames};
 use rustc_session::Session;
 use rustc_span::Symbol;
@@ -101,6 +102,11 @@ impl CodegenBackend for GccCodegenBackend {
         *self.supports_128bit_integers.lock().expect("lock") = check_context.get_last_error() == Ok(None);
     }
 
+    fn provide(&self, providers: &mut Providers) {
+        // FIXME compute list of enabled features from cli flags
+        providers.global_backend_features = |_tcx, ()| vec![];
+    }
+
     fn codegen_crate<'tcx>(&self, tcx: TyCtxt<'tcx>, metadata: EncodedMetadata, need_metadata_module: bool) -> Box<dyn Any> {
         let target_cpu = target_cpu(tcx.sess);
         let res = codegen_crate(self.clone(), tcx, target_cpu.to_string(), metadata, need_metadata_module);