crashes: more tests

Author: matthiaskrgr

tests/crashes/138156.rs

@@ -0,0 +1,42 @@
+//@ known-bug: #138156
+
+#![feature(generic_const_exprs)]
+
+#[derive(Default)]
+pub struct GenId<const IDX: usize>;
+
+pub trait IndexTrait: Default {
+    const IDX: usize;
+}
+pub trait ToplogyIndex {
+    type Idx: IndexTrait;
+}
+
+#[derive(Default)]
+pub struct Expression<T: ToplogyIndex> {
+    pub data: T,
+}
+
+fn i<T: ToplogyIndex, const IDX0: usize, const IDX1: usize>(s: Expression<T>) ->
+    Expression<GenId<{ IDX0 | IDX1 }>>
+where
+    GenId<{ IDX0 | IDX1 }>: ToplogyIndex,
+{
+    Expression::default()
+}
+
+pub fn sum<In: ToplogyIndex>(s: Expression<In>) -> Expression<In>
+where
+    [(); In::Idx::IDX]:,
+{
+    s
+}
+
+fn param_position<In: ToplogyIndex>(s: Expression<In>)
+where
+    GenId<{ 1 | 2 }>: ToplogyIndex,
+{
+    sum(i::<_, 1, 2>(s));
+}
+
+fn main() {}

tests/crashes/138214.rs

@@ -0,0 +1,15 @@
+//@ known-bug: #138214
+
+struct Demo<X, Y: A = X, Z = <<Y as A>::U as B>::V>(X, Y, Z);
+
+impl<V> Demo<V> {
+    fn new() {}
+}
+
+pub trait A<Group = ()> {
+    type U: B;
+}
+
+pub trait B {
+    type V;
+}

tests/crashes/138240.rs

@@ -0,0 +1,9 @@
+//@ known-bug: #138240
+//@edition:2024
+#![feature(min_generic_const_args)]
+#![feature(inherent_associated_types)]
+async fn _CF() -> Box<[u8; Box::b]> {
+    Box::new(true)
+}
+
+fn main() {}

tests/crashes/138265.rs

@@ -0,0 +1,12 @@
+//@ known-bug: #138265
+
+#![feature(coerce_unsized)]
+#![crate_type = "lib"]
+impl<A> std::ops::CoerceUnsized<A> for A {}
+pub fn f() {
+    [0; {
+        let mut c = &0;
+        c = &0;
+        0
+    }]
+}

tests/crashes/138266.rs

@@ -0,0 +1,7 @@
+//@ known-bug: #138266
+//@compile-flags: --crate-type=lib
+#![feature(min_generic_const_args)]
+#![feature(inherent_associated_types)]
+pub fn f(mut x: [u8; Box::b]) {
+    x[72] = 1;
+}

tests/crashes/138359.rs

@@ -0,0 +1,8 @@
+//@ known-bug: #138359
+#![feature(min_generic_const_args)]
+#![feature(inherent_associated_types)]
+struct a(Box<[u8; Box::b]>);
+impl a {
+  fn c(self) { self.0.da }
+}
+fn main() {}

tests/crashes/138361.rs

@@ -0,0 +1,6 @@
+//@ known-bug: #138361
+
+fn main() {
+  [0; loop{}];
+  std::mem::transmute(4)
+}

tests/crashes/138510.rs

@@ -0,0 +1,7 @@
+//@ known-bug: #138510
+fn main()
+where
+    #[repr()]
+    _: Sized,
+{
+}

tests/crashes/138534.rs

@@ -0,0 +1,6 @@
+//@ known-bug: #138534
+//@compile-flags: -Zunpretty=expanded
+#[repr(bool)]
+pub enum TopFg {
+    Bar,
+}

tests/crashes/138564.rs

@@ -0,0 +1,26 @@
+//@ known-bug: #138564
+//@compile-flags: -Copt-level=0 -Cdebuginfo=2 --crate-type lib
+#![feature(unsize, dispatch_from_dyn, arbitrary_self_types)]
+
+use std::marker::Unsize;
+use std::ops::{Deref, DispatchFromDyn};
+
+#[repr(align(16))]
+pub struct MyPointer<T: ?Sized>(*const T);
+
+impl<T: ?Sized + Unsize<U>, U: ?Sized> DispatchFromDyn<MyPointer<U>> for MyPointer<T> {}
+impl<T: ?Sized> Deref for MyPointer<T> {
+    type Target = T;
+    fn deref(&self) -> &T {
+        unimplemented!()
+    }
+}
+
+pub trait Trait {
+    fn foo(self: MyPointer<Self>) {}
+}
+
+// make sure some usage of `<dyn Trait>::foo` makes it to codegen
+pub fn user() -> *const () {
+    <dyn Trait>::foo as *const ()
+}

tests/crashes/138707.rs

@@ -0,0 +1,37 @@
+//@ known-bug: #138707
+//@edition:2024
+//@compile-flags: --crate-type lib
+use core::marker::PhantomData;
+
+struct LeftReflector<S> {
+    _phantom: PhantomData<S>,
+}
+
+struct DefaultAllocator {}
+
+trait Allocator<R> {
+    type Buffer;
+}
+
+struct U2 {}
+
+impl Allocator<U2> for DefaultAllocator {
+    type Buffer = [u8; 2];
+}
+
+impl<R> From<R> for LeftReflector<<DefaultAllocator as Allocator<R>>::Buffer>
+where
+    DefaultAllocator: Allocator<R>,
+{
+    fn from(_: R) -> Self {
+        todo!()
+    }
+}
+
+fn ice<D>(a: U2)
+where
+    DefaultAllocator: Allocator<D>,
+{
+    // ICE
+    let _ = LeftReflector::from(a);
+}

tests/crashes/138738.rs

@@ -0,0 +1,7 @@
+//@ known-bug: #138738
+//@ only-x86_64
+
+#![feature(abi_ptx)]
+fn main() {
+    let a = unsafe { core::mem::transmute::<usize, extern "ptx-kernel" fn(i32)>(4) }(2);
+}

tests/crashes/139089.rs

@@ -0,0 +1,2 @@
+//@ known-bug: #139089
+pub fn foo3(x: ＆Vec<u8>) { x.push(0); }

tests/crashes/139120.rs

@@ -0,0 +1,29 @@
+//@ known-bug: #139120
+
+
+
+pub trait Foo {
+    type Bar<'a>;
+}
+
+pub struct FooImpl {}
+
+impl Foo for FooImpl {
+    type Bar<'a> = ();
+}
+
+pub trait FooFn {
+    fn bar(&self);
+}
+
+impl<T: Foo> FooFn for fn(T, T::Bar<'_>) {
+    fn bar(&self) {}
+}
+
+fn foo<T: Foo>(f: fn(T, T::Bar<'_>)) {
+    let _: &dyn FooFn = &f;
+}
+
+fn main() {
+    foo(|_: FooImpl, _| {});
+}

tests/crashes/139381.rs

@@ -0,0 +1,13 @@
+//@ known-bug: #139381
+//@ needs-rustc-debug-assertions
+trait A<'a> {
+    type Assoc: ?Sized;
+}
+
+impl<'a> A<'a> for () {
+    type Assoc = &'a ();
+}
+
+fn hello() -> impl for<'a> A<'a, Assoc: Into<u8> + 'static + Copy> {
+    ()
+}

tests/crashes/139387.rs

@@ -0,0 +1,15 @@
+//@ known-bug: #139387
+//@ needs-rustc-debug-assertions
+
+trait A {
+    fn method() -> impl Sized;
+}
+trait B {
+    fn method(Hash: Wrap<impl Beta<U: Copy + for<'a> Epsilon<'_, SI1: Eta>>>) -> impl Sized;
+}
+
+fn ambiguous<T: A + B>()
+where
+    T::method(..): Send,
+{
+}

tests/crashes/139409.rs

@@ -0,0 +1,12 @@
+//@ known-bug: #139409
+//@ compile-flags: -Znext-solver=globally
+
+fn main() {
+    trait B<C> {}
+    impl<C> B<C> for () {}
+    trait D<C, E>: B<C> + B<E> {
+        fn f(&self) {}
+    }
+    impl<C, E> D<C, E> for () {}
+    (&() as &dyn D<&(), &()>).f()
+}

tests/crashes/139462.rs

@@ -0,0 +1,8 @@
+//@ known-bug: #139462
+//@ compile-flags: -Cdebuginfo=2
+#![feature(unsafe_binders)]
+use std::unsafe_binder::wrap_binder;
+fn main() {
+    let foo = 0;
+    let foo: unsafe<'a> &'a u32 = unsafe { wrap_binder!(&foo) };
+}

tests/crashes/139556.rs

@@ -0,0 +1,13 @@
+//@ known-bug: #139556
+
+trait T {}
+
+type Alias<'a> = impl T;
+
+struct S;
+impl<'a> T for &'a S {}
+
+#[define_opaque(Alias)]
+fn with_positive(fun: impl Fn(Alias<'_>)) {
+    with_positive(|&n| ());
+}

tests/crashes/139570.rs

@@ -0,0 +1,4 @@
+//@ known-bug: #139570
+fn main() {
+    |(1, 42), ()| yield;
+}

tests/crashes/139596.rs

@@ -0,0 +1,10 @@
+//@ known-bug: #139596
+
+#![feature(min_generic_const_args)]
+struct Colour;
+
+struct Led<const C: Colour>;
+
+fn main() {
+    Led::<{ Colour}>;
+}

tests/crashes/139659.rs

@@ -0,0 +1,29 @@
+//@ known-bug: #139659
+//@compile-flags: -Cdebuginfo=2 -Copt-level=0 --crate-type lib
+trait Trait {
+    type Output;
+}
+
+impl<O, F: Fn() -> O> Trait for F {
+    type Output = O;
+}
+
+struct Wrap<P>(P);
+struct WrapOutput<O>(O);
+
+impl<P: Trait> Trait for Wrap<P> {
+    type Output = WrapOutput<P::Output>;
+}
+
+fn wrap<P: Trait>(x: P) -> impl Trait {
+    Wrap(x)
+}
+
+fn consume<P: Trait>(_: P) -> P::Output {
+    unimplemented!()
+}
+
+pub fn recurse() -> impl Sized {
+    consume(wrap(recurse))
+}
+pub fn main() {}

tests/crashes/139738.rs

@@ -0,0 +1,3 @@
+//@ known-bug: #139738
+#![feature(generic_const_exprs)]
+fn b<'a>() -> impl IntoIterator<[(); (|_: &'a u8| 0, 0).1]> {}

tests/crashes/139815.rs

@@ -0,0 +1,14 @@
+//@ known-bug: #139815
+
+#![feature(generic_const_exprs)]
+fn is_123<const N: usize>(
+    x: [u32; {
+        N + 1;
+        5
+    }],
+) -> bool {
+    match x {
+        [1, 2] => true,
+        _ => false,
+    }
+}

tests/crashes/139817.rs

@@ -0,0 +1,8 @@
+//@ known-bug: #139817
+fn enum_upvar() {
+    type T = impl Copy;
+    let foo: T = Some((42, std::marker::PhantomData::<T>));
+    let x = move || match foo {
+        None => (),
+    };
+}

tests/crashes/139825.rs

@@ -0,0 +1,5 @@
+//@ known-bug: #139825
+//@compile-flags: --check-cfg=cfg(docsrs,test) --crate-type lib
+struct a
+where
+    for<#[cfg(b)] c> u8:;

tests/crashes/139872.rs

@@ -0,0 +1,10 @@
+//@ known-bug: #139872
+pub fn main() {
+    enum A {
+        B(u32),
+    }
+    static C: (A, u16, str);
+    fn d() {
+        let (_, e, _) = C;
+    }
+}