Merge from rustc

Author: The Miri Conjob Bot

Cargo.toml

@@ -24,7 +24,7 @@ log = "0.4"
 rand = "0.8"
 smallvec = "1.7"
 aes = { version = "0.8.3", features = ["hazmat"] }
-measureme = "10.0.0"
+measureme = "11"
 ctrlc = "3.2.5"
 
 # Copied from `compiler/rustc/Cargo.toml`.

src/lib.rs

@@ -8,7 +8,6 @@
 #![feature(variant_count)]
 #![feature(yeet_expr)]
 #![feature(nonzero_ops)]
-#![feature(round_ties_even)]
 #![feature(let_chains)]
 #![feature(lint_reasons)]
 #![feature(int_roundings)]

tests/fail-dep/shims/munmap_partial.rs

@@ -1,5 +1,5 @@
 //! The man pages for mmap/munmap suggest that it is possible to partly unmap a previously-mapped
-//! region of addres space, but to LLVM that would be partial deallocation, which LLVM does not
+//! region of address space, but to LLVM that would be partial deallocation, which LLVM does not
 //! support. So even though the man pages say this sort of use is possible, we must report UB.
 //@ignore-target-windows: No libc on Windows
 //@normalize-stderr-test: "size [0-9]+ and alignment" -> "size SIZE and alignment"

tests/fail/issue-miri-1112.rs

@@ -1,7 +1,7 @@
 trait Empty {}
 
 #[repr(transparent)]
-pub struct FunnyPointer(#[allow(dead_code)] dyn Empty);
+pub struct FunnyPointer(dyn Empty);
 
 #[repr(C)]
 pub struct Meta {

tests/fail/unaligned_pointers/drop_in_place.rs

@@ -1,7 +1,7 @@
 //@compile-flags: -Cdebug-assertions=no
 
 #[repr(transparent)]
-struct HasDrop(#[allow(dead_code)] u8);
+struct HasDrop(u8);
 
 impl Drop for HasDrop {
     fn drop(&mut self) {}

tests/pass/async-fn.rs

@@ -76,8 +76,7 @@ async fn uninhabited_variant() {
 fn run_fut<T>(fut: impl Future<Output = T>) -> T {
     use std::task::{Context, Poll, Waker};
 
-    let waker = Waker::noop();
-    let mut context = Context::from_waker(&waker);
+    let mut context = Context::from_waker(Waker::noop());
 
     let mut pinned = Box::pin(fut);
     loop {

tests/pass/dyn-star.rs

@@ -93,8 +93,7 @@ fn dispatch_on_pin_mut() {
     let mut fut = async_main();
 
     // Poll loop, just to test the future...
-    let waker = Waker::noop();
-    let ctx = &mut Context::from_waker(&waker);
+    let ctx = &mut Context::from_waker(Waker::noop());
 
     loop {
         match unsafe { Pin::new_unchecked(&mut fut).poll(ctx) } {

tests/pass/float.rs

@@ -1,5 +1,4 @@
 #![feature(stmt_expr_attributes)]
-#![feature(round_ties_even)]
 #![feature(float_gamma)]
 #![allow(arithmetic_overflow)]
 

tests/pass/future-self-referential.rs

@@ -77,8 +77,7 @@ impl Future for DoStuff {
 }
 
 fn run_fut<T>(fut: impl Future<Output = T>) -> T {
-    let waker = Waker::noop();
-    let mut context = Context::from_waker(&waker);
+    let mut context = Context::from_waker(Waker::noop());
 
     let mut pinned = pin!(fut);
     loop {
@@ -90,8 +89,7 @@ fn run_fut<T>(fut: impl Future<Output = T>) -> T {
 }
 
 fn self_referential_box() {
-    let waker = Waker::noop();
-    let cx = &mut Context::from_waker(&waker);
+    let cx = &mut Context::from_waker(Waker::noop());
 
     async fn my_fut() -> i32 {
         let val = 10;

tests/pass/issues/issue-miri-2068.rs

@@ -6,8 +6,7 @@ use std::task::{Context, Poll, Waker};
 
 pub fn fuzzing_block_on<O, F: Future<Output = O>>(fut: F) -> O {
     let mut fut = std::pin::pin!(fut);
-    let waker = Waker::noop();
-    let mut context = Context::from_waker(&waker);
+    let mut context = Context::from_waker(Waker::noop());
     loop {
         match fut.as_mut().poll(&mut context) {
             Poll::Ready(v) => return v,

tests/pass/move-data-across-await-point.rs

@@ -56,8 +56,7 @@ fn data_moved() {
 fn run_fut<T>(fut: impl Future<Output = T>) -> T {
     use std::task::{Context, Poll, Waker};
 
-    let waker = Waker::noop();
-    let mut context = Context::from_waker(&waker);
+    let mut context = Context::from_waker(Waker::noop());
 
     let mut pinned = Box::pin(fut);
     loop {