crashes: more tests

Author: matthiaskrgr

tests/crashes/132765.rs

@@ -0,0 +1,12 @@
+//@ known-bug: #123765
+
+trait LendingIterator {
+    type Item<'q>;
+    fn for_each(&self, _f: Box<fn(Self::Item<'_>)>) {}
+}
+
+fn f(_: ()) {}
+
+fn main() {
+    LendingIterator::for_each(&(), f);
+}

tests/crashes/132766.rs

@@ -0,0 +1,9 @@
+//@ known-bug: #132766
+
+trait Trait {}
+impl<'a> Trait for () {
+    fn pass2<'a>() -> impl Trait2 {}
+}
+
+trait Trait2 {}
+impl Trait2 for () {}

tests/crashes/132767.rs

@@ -0,0 +1,24 @@
+//@ known-bug: #132767
+
+trait Func {
+    type Ret;
+}
+impl<F: FnOnce() -> R, R> Func for F {
+    type Ret = R;
+}
+
+trait Id {}
+fn invalid_impl_trait() -> impl Id {}
+
+struct Foo<T: Func> {
+    _func: T,
+    value: Option<<T as Func>::Ret>,
+}
+
+fn main() {
+    let foo = Foo {
+        _func: invalid_impl_trait,
+        value: None,
+    };
+    drop(foo.value);
+}

tests/crashes/132882.rs

@@ -0,0 +1,13 @@
+//@ known-bug: #132882
+
+use std::ops::Add;
+
+pub trait Numoid
+where
+    for<N: Numoid> &'a Self: Add<Self>,
+{
+}
+
+pub fn compute<N: Numoid>(a: N) -> N {
+    &a + a
+}

tests/crashes/132981.rs

@@ -0,0 +1,5 @@
+//@ known-bug: #132981
+//@compile-flags: -Clink-dead-code=true --crate-type lib
+
+#![feature(rust_cold_cc)]
+pub extern "rust-cold" fn foo(_: [usize; 3]) {}

tests/crashes/133056.rs

@@ -0,0 +1,26 @@
+//@ known-bug: #133056
+
+pub enum ApiError {}
+pub struct TokioError {
+    source: ApiError,
+}
+pub enum Error {
+    Api { b: bool },
+    Ethereum,
+    Tokio { source: TokioError },
+}
+
+mod assert {
+    use std::mem::TransmuteFrom;
+
+    pub fn is_transmutable<Src, Dst>()
+    where
+        Dst: TransmuteFrom<Src>,
+    {
+    }
+}
+
+fn test() {
+    type Dst = Error;
+    assert::is_transmutable::<Src, Dst>();
+}

tests/crashes/133063.rs

@@ -0,0 +1,8 @@
+//@ known-bug: #133063
+
+fn foo(x: !) {
+    match x {
+        (! | !) if false => {}
+        _ => {}
+    }
+}

tests/crashes/133065.rs

@@ -0,0 +1,15 @@
+//@ known-bug: #133065
+//@compile-flags: -Zvalidate-mir -Zinline-mir -Zinline-mir-threshold=300
+trait Bar: Sized {
+    fn bar(self) {}
+}
+
+impl<T> Bar for T {
+    fn bar() {
+        let _ = "Hello".bytes().nth(3);
+    }
+}
+
+fn main() {
+    ().bar();
+}

tests/crashes/133066.rs

@@ -0,0 +1,12 @@
+//@ known-bug: #133066
+trait Owner {
+    const C<const N: u32>: u32;
+}
+
+impl Owner for () {;}
+
+fn take0<const N: u64>(_: impl Owner<C<N> = { N }>) {}
+
+fn main() {
+    take0::<f32, >(());
+}

tests/crashes/133199.rs

@@ -0,0 +1,11 @@
+//@ known-bug: #133199
+//@ aux-build: aux133199.rs
+
+extern crate aux133199;
+
+use aux133199::FixedBitSet;
+
+fn main() {
+    FixedBitSet::<7>::new();
+    //~^ ERROR
+}