From a5bf6d2f18841d36584c631d0dc8bc35d446c580 Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Sun, 21 Feb 2021 17:27:53 +0100
Subject: [PATCH] Rustup to rustc 1.52.0-nightly (83b30a639 2021-02-20)

---
 build_sysroot/Cargo.lock                      |  6 ++--
 ...itrary_self_types_pointers_and_wrappers.rs | 31 ++++++-------------
 rust-toolchain                                |  2 +-
 scripts/tests.sh                              |  8 ++---
 4 files changed, 18 insertions(+), 29 deletions(-)

diff --git a/build_sysroot/Cargo.lock b/build_sysroot/Cargo.lock
index 2bafe2c5269..a7650ab995b 100644
--- a/build_sysroot/Cargo.lock
+++ b/build_sysroot/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "addr2line"
 version = "0.14.1"
@@ -38,9 +40,9 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "cc"
-version = "1.0.66"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c0496836a84f8d0495758516b8621a622beb77c0fed418570e50764093ced48"
+checksum = "e3c69b077ad434294d3ce9f1f6143a2a4b89a8a2d54ef813d85003a4fd1137fd"
 
 [[package]]
 name = "cfg-if"
diff --git a/example/arbitrary_self_types_pointers_and_wrappers.rs b/example/arbitrary_self_types_pointers_and_wrappers.rs
index 0b0039a1370..ddeb752f93e 100644
--- a/example/arbitrary_self_types_pointers_and_wrappers.rs
+++ b/example/arbitrary_self_types_pointers_and_wrappers.rs
@@ -1,22 +1,12 @@
 // Adapted from rustc run-pass test suite
 
-#![feature(no_core, arbitrary_self_types, box_syntax)]
+#![feature(arbitrary_self_types, unsize, coerce_unsized, dispatch_from_dyn)]
 #![feature(rustc_attrs)]
 
-#![feature(start, lang_items)]
-#![no_core]
-
-extern crate mini_core;
-
-use mini_core::*;
-
-macro_rules! assert_eq {
-    ($l:expr, $r: expr) => {
-        if $l != $r {
-            panic(stringify!($l != $r));
-        }
-    }
-}
+use std::{
+    ops::{Deref, CoerceUnsized, DispatchFromDyn},
+    marker::Unsize,
+};
 
 struct Ptr<T: ?Sized>(Box<T>);
 
@@ -67,16 +57,13 @@ impl Trait for i32 {
     }
 }
 
-#[start]
-fn main(_: isize, _: *const *const u8) -> isize {
-    let pw = Ptr(box Wrapper(5)) as Ptr<Wrapper<dyn Trait>>;
+fn main() {
+    let pw = Ptr(Box::new(Wrapper(5))) as Ptr<Wrapper<dyn Trait>>;
     assert_eq!(pw.ptr_wrapper(), 5);
 
-    let wp = Wrapper(Ptr(box 6)) as Wrapper<Ptr<dyn Trait>>;
+    let wp = Wrapper(Ptr(Box::new(6))) as Wrapper<Ptr<dyn Trait>>;
     assert_eq!(wp.wrapper_ptr(), 6);
 
-    let wpw = Wrapper(Ptr(box Wrapper(7))) as Wrapper<Ptr<Wrapper<dyn Trait>>>;
+    let wpw = Wrapper(Ptr(Box::new(Wrapper(7)))) as Wrapper<Ptr<Wrapper<dyn Trait>>>;
     assert_eq!(wpw.wrapper_ptr_wrapper(), 7);
-
-    0
 }
diff --git a/rust-toolchain b/rust-toolchain
index 6d8303f76f8..8c8c58d90d9 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2021-02-09
+nightly-2021-02-21
diff --git a/scripts/tests.sh b/scripts/tests.sh
index 321e0af553e..f9a9fb091fb 100755
--- a/scripts/tests.sh
+++ b/scripts/tests.sh
@@ -27,13 +27,13 @@ function no_sysroot_tests() {
     $MY_RUSTC example/mini_core_hello_world.rs --crate-name mini_core_hello_world --crate-type bin -g --target "$TARGET_TRIPLE"
     $RUN_WRAPPER ./target/out/mini_core_hello_world abc bcd
     # (echo "break set -n main"; echo "run"; sleep 1; echo "si -c 10"; sleep 1; echo "frame variable") | lldb -- ./target/out/mini_core_hello_world abc bcd
-
-    echo "[AOT] arbitrary_self_types_pointers_and_wrappers"
-    $MY_RUSTC example/arbitrary_self_types_pointers_and_wrappers.rs --crate-name arbitrary_self_types_pointers_and_wrappers --crate-type bin --target "$TARGET_TRIPLE"
-    $RUN_WRAPPER ./target/out/arbitrary_self_types_pointers_and_wrappers
 }
 
 function base_sysroot_tests() {
+    echo "[AOT] arbitrary_self_types_pointers_and_wrappers"
+    $MY_RUSTC example/arbitrary_self_types_pointers_and_wrappers.rs --crate-name arbitrary_self_types_pointers_and_wrappers --crate-type bin --target "$TARGET_TRIPLE"
+    $RUN_WRAPPER ./target/out/arbitrary_self_types_pointers_and_wrappers
+
     echo "[AOT] alloc_system"
     $MY_RUSTC example/alloc_system.rs --crate-type lib --target "$TARGET_TRIPLE"