Sync from rust 028c6f1454787c068ff5117e9000a1de4fd98374

Cargo.toml

@@ -23,11 +23,6 @@ target-lexicon = "0.10.0"
 
 ar = "0.8.0"
 
-[dependencies.object]
-version = "0.25.0"
-default-features = false
-features = ["read", "std", "write"] # We don't need WASM support.
-
 [dev-dependencies]
 lang_tester = "0.3.9"
 tempfile = "3.1.0"

Readme.md

@@ -111,6 +111,8 @@ Or add a breakpoint to `add_error` in gdb and print the line number using:
 p loc->m_line
 ```
 
+To get the `rustc` command to run in `gdb`, add the `--verbose` flag to `cargo build`.
+
 ### How to use a custom-build rustc
 
  * Build the stage2 compiler (`rustup toolchain link debug-current build/x86_64-unknown-linux-gnu/stage2`).

patches/0023-core-Ignore-failing-tests.patch

@@ -46,4 +46,24 @@ index 4bc44e9..8e3c7a4 100644
 
  #[test]
  fn cell_allows_array_cycle() {
+diff --git a/library/core/tests/slice.rs b/library/core/tests/slice.rs
+index 3e00e0a..8e5663b 100644
+--- a/library/core/tests/slice.rs
++++ b/library/core/tests/slice.rs
+@@ -2108,6 +2108,7 @@ fn test_copy_within_panics_src_out_of_bounds() {
+     bytes.copy_within(usize::MAX..=usize::MAX, 0);
+ }
+
++/*
+ #[test]
+ fn test_is_sorted() {
+     let empty: [i32; 0] = [];
+@@ -2122,6 +2123,7 @@ fn test_is_sorted() {
+     assert!(!["c", "bb", "aaa"].is_sorted());
+     assert!(["c", "bb", "aaa"].is_sorted_by_key(|s| s.len()));
+ }
++*/
+
+ #[test]
+ fn test_slice_run_destructors() {
 -- 2.21.0 (Apple Git-122)

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

@@ -0,0 +1,24 @@
+From b1ae000f6da1abd3b8e9b80c40bc11c89b8ae93c Mon Sep 17 00:00:00 2001
+From: bjorn3 <[email protected]>
+Date: Thu, 30 Dec 2021 16:54:40 +0100
+Subject: [PATCH] [core] Disable portable-simd test
+
+---
+ library/core/tests/lib.rs | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs
+index ec70034..7cd9e21 100644
+--- a/library/core/tests/lib.rs
++++ b/library/core/tests/lib.rs
+@@ -121,7 +121,6 @@ mod pattern;
+ mod pin;
+ mod ptr;
+ mod result;
+-mod simd;
+ mod slice;
+ mod str;
+ mod str_lossy;
+-- 
+2.26.2.7.g19db9cfb68
+

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

@@ -0,0 +1,30 @@
+From 0ffdd8eda8df364391c8ac6e1ce92c73ba9254d4 Mon Sep 17 00:00:00 2001
+From: bjorn3 <[email protected]>
+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(+)
+
+diff --git a/library/core/tests/slice.rs b/library/core/tests/slice.rs
+index 2c8f00a..44847ee 100644
+--- a/library/core/tests/slice.rs
++++ b/library/core/tests/slice.rs
+@@ -2332,7 +2332,8 @@ macro_rules! empty_max_mut {
+     };
+ }
+
++/*
+ #[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! {
+     (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!()),
+ }
++*/
+-- 
+2.26.2.7.g19db9cfb68
+

rust-toolchain

@@ -1 +1 @@
-nightly-2021-09-28
+nightly-2021-12-30