Rustup to rustc 1.56.0-nightly (25b76484 2021-08-04)

patches/0027-sysroot-128bit-atomic-operations.patch

-From 894e07dfec2624ba539129b1c1d63e1d7d812bda Mon Sep 17 00:00:00 2001
+From 6a4e6f5dc8c8a529a822eb9b57f9e57519595439 Mon Sep 17 00:00:00 2001
 From: bjorn3 <bjorn3@users.noreply.github.com>
 Date: Thu, 18 Feb 2021 18:45:28 +0100
 Subject: [PATCH] Disable 128bit atomic operations
 
 Cranelift doesn't support them yet
 ---
- library/core/src/sync/atomic.rs | 38 ---------------------------------
- library/core/tests/atomic.rs    |  4 ----
- library/std/src/panic.rs        |  6 ------
+ library/core/src/panic/unwind_safe.rs |  6 -----
+ library/core/src/sync/atomic.rs       | 38 ---------------------------
+ library/core/tests/atomic.rs          |  4 ---
  3 files changed, 48 deletions(-)
 
+diff --git a/library/core/src/panic/unwind_safe.rs b/library/core/src/panic/unwind_safe.rs
+index 092b7cf..158cf71 100644
+--- a/library/core/src/panic/unwind_safe.rs
++++ b/library/core/src/panic/unwind_safe.rs
+@@ -216,9 +216,6 @@ impl RefUnwindSafe for crate::sync::atomic::AtomicI32 {}
+ #[cfg(target_has_atomic_load_store = "64")]
+ #[stable(feature = "integer_atomics_stable", since = "1.34.0")]
+ impl RefUnwindSafe for crate::sync::atomic::AtomicI64 {}
+-#[cfg(target_has_atomic_load_store = "128")]
+-#[unstable(feature = "integer_atomics", issue = "32976")]
+-impl RefUnwindSafe for crate::sync::atomic::AtomicI128 {}
+ 
+ #[cfg(target_has_atomic_load_store = "ptr")]
+ #[stable(feature = "unwind_safe_atomic_refs", since = "1.14.0")]
+@@ -235,9 +232,6 @@ impl RefUnwindSafe for crate::sync::atomic::AtomicU32 {}
+ #[cfg(target_has_atomic_load_store = "64")]
+ #[stable(feature = "integer_atomics_stable", since = "1.34.0")]
+ impl RefUnwindSafe for crate::sync::atomic::AtomicU64 {}
+-#[cfg(target_has_atomic_load_store = "128")]
+-#[unstable(feature = "integer_atomics", issue = "32976")]
+-impl RefUnwindSafe for crate::sync::atomic::AtomicU128 {}
+ 
+ #[cfg(target_has_atomic_load_store = "8")]
+ #[stable(feature = "unwind_safe_atomic_refs", since = "1.14.0")]
 diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs
-index 81c9e1d..65c9503 100644
+index 0194c58..25a0038 100644
 --- a/library/core/src/sync/atomic.rs
 +++ b/library/core/src/sync/atomic.rs
-@@ -2228,44 +2228,6 @@ atomic_int! {
+@@ -2229,44 +2229,6 @@ atomic_int! {
      "AtomicU64::new(0)",
      u64 AtomicU64 ATOMIC_U64_INIT
  }
@@ -60,10 +84,10 @@ index 81c9e1d..65c9503 100644
  macro_rules! atomic_int_ptr_sized {
      ( $($target_pointer_width:literal $align:literal)* ) => { $(
 diff --git a/library/core/tests/atomic.rs b/library/core/tests/atomic.rs
-index 2d1e449..cb6da5d 100644
+index b735957..ea728b6 100644
 --- a/library/core/tests/atomic.rs
 +++ b/library/core/tests/atomic.rs
-@@ -145,10 +145,6 @@ fn atomic_alignment() {
+@@ -185,10 +185,6 @@ fn atomic_alignment() {
      assert_eq!(align_of::<AtomicU64>(), size_of::<AtomicU64>());
      #[cfg(target_has_atomic = "64")]
      assert_eq!(align_of::<AtomicI64>(), size_of::<AtomicI64>());
@@ -74,30 +98,6 @@ index 2d1e449..cb6da5d 100644
      #[cfg(target_has_atomic = "ptr")]
      assert_eq!(align_of::<AtomicUsize>(), size_of::<AtomicUsize>());
      #[cfg(target_has_atomic = "ptr")]
-diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs
-index 89a822a..779fd88 100644
---- a/library/std/src/panic.rs
-+++ b/library/std/src/panic.rs
-@@ -279,9 +279,6 @@ impl RefUnwindSafe for atomic::AtomicI32 {}
- #[cfg(target_has_atomic_load_store = "64")]
- #[stable(feature = "integer_atomics_stable", since = "1.34.0")]
- impl RefUnwindSafe for atomic::AtomicI64 {}
--#[cfg(target_has_atomic_load_store = "128")]
--#[unstable(feature = "integer_atomics", issue = "32976")]
--impl RefUnwindSafe for atomic::AtomicI128 {}
- 
- #[cfg(target_has_atomic_load_store = "ptr")]
- #[stable(feature = "unwind_safe_atomic_refs", since = "1.14.0")]
-@@ -298,9 +295,6 @@ impl RefUnwindSafe for atomic::AtomicU32 {}
- #[cfg(target_has_atomic_load_store = "64")]
- #[stable(feature = "integer_atomics_stable", since = "1.34.0")]
- impl RefUnwindSafe for atomic::AtomicU64 {}
--#[cfg(target_has_atomic_load_store = "128")]
--#[unstable(feature = "integer_atomics", issue = "32976")]
--impl RefUnwindSafe for atomic::AtomicU128 {}
- 
- #[cfg(target_has_atomic_load_store = "8")]
- #[stable(feature = "unwind_safe_atomic_refs", since = "1.14.0")]
 -- 
 2.26.2.7.g19db9cfb68
 

rust-toolchain

 [toolchain]
-channel = "nightly-2021-07-27"
+channel = "nightly-2021-08-05"
 components = ["rust-src", "rustc-dev", "llvm-tools-preview"]

src/unsize.rs

@@ -77,12 +77,10 @@ fn unsize_ptr<'tcx>(
         (&ty::Ref(_, a, _), &ty::Ref(_, b, _))
         | (&ty::Ref(_, a, _), &ty::RawPtr(ty::TypeAndMut { ty: b, .. }))
         | (&ty::RawPtr(ty::TypeAndMut { ty: a, .. }), &ty::RawPtr(ty::TypeAndMut { ty: b, .. })) => {
-            assert!(!fx.layout_of(a).is_unsized());
             (src, unsized_info(fx, a, b, old_info))
         }
         (&ty::Adt(def_a, _), &ty::Adt(def_b, _)) if def_a.is_box() && def_b.is_box() => {
             let (a, b) = (src_layout.ty.boxed_ty(), dst_layout.ty.boxed_ty());
-            assert!(!fx.layout_of(a).is_unsized());
             (src, unsized_info(fx, a, b, old_info))
         }
         (&ty::Adt(def_a, _), &ty::Adt(def_b, _)) => {