Add some ICEs

- rust-lang/rust#99173
- rust-lang/rust#103708
- rust-lang/rust#104827
- rust-lang/rust#105209
- rust-lang/rust#106298
- rust-lang/rust#106423

Signed-off-by: Yuki Okushi <[email protected]>

rust-lang/rust#99173
Signed-off-by: Yuki Okushi <[email protected]>

Author: JohnTitor

ices/103708.rs

@@ -0,0 +1,9 @@
+#![feature(min_specialization)]
+
+trait Dance {}
+
+impl<'a, T> Dance for T {}
+
+impl Dance for bool {}
+
+fn main() {}

ices/104827.rs

@@ -0,0 +1,15 @@
+#![feature(try_trait_v2)]
+
+use std::ops::FromResidual;
+
+struct MySnafu;
+
+fn test_function() {
+    impl FromResidual for MySnafu {
+        fn from_residual(s: Self) -> Self {
+            todo!()
+        }
+    }
+}
+
+fn main() {}

ices/105209.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+rustc -Zunpretty=ast-tree - << EOF
+#![c={#![c[)x
+EOF

ices/106298.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+cat > Cargo.toml <<'EOF'
+[package]
+name = "alba"
+version = "0.0.1"
+edition = "2021"
+
+[dependencies]
+sera = { path = "sera/" }
+EOF
+
+mkdir -p src sera/src
+
+cat > sera/Cargo.toml <<'EOF'
+[package]
+name = "sera"
+version = "0.0.1"
+edition = "2021"
+
+[lib]
+crate-type = ["proc-macro"]
+EOF
+
+cat > sera/src/lib.rs << EOF
+extern crate proc_macro;
+struct PanicOnDrop;
+
+impl Drop for PanicOnDrop {
+    fn drop(&mut self) { panic!("panic on drop!"); }
+}
+
+#[proc_macro_derive(Panic)]
+pub fn derive(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
+    let _p_on_d = PanicOnDrop;
+    panic!("panic during panic-during-expand's derive")
+}
+EOF
+
+cat > src/main.rs << EOF
+#[macro_use]
+extern crate sena;
+
+#[derive(sena::Panic)]
+struct S { x: u8 }
+
+fn main() {}
+EOF
+
+cargo check

ices/106423.rs

@@ -0,0 +1,52 @@
+#![feature(generic_const_exprs, generic_arg_infer)]
+#![allow(incomplete_features)]
+#![allow(unused)]
+
+use std::mem::MaybeUninit;
+
+pub struct Arr<T, const N: usize> {
+    v: [MaybeUninit<T>; N],
+}
+
+impl<T, const N: usize> Arr<T, N> {
+    const ELEM: MaybeUninit<T> = MaybeUninit::uninit();
+    const INIT: [MaybeUninit<T>; N] = [Self::ELEM; N]; // important for optimization of `new`
+
+    fn new() -> Self {
+        Arr { v: Self::INIT }
+    }
+}
+
+pub struct BaFormatFilter<const N: usize> {}
+
+pub enum DigitalFilter<const N: usize>
+where
+    [(); N * 2 + 1]: Sized,
+    [(); N * 2]: Sized,
+{
+    Ba(BaFormatFilter<{ N * 2 + 1 }>),
+}
+
+pub fn iirfilter_st_copy<const N: usize, const M: usize>(_: [f32; M]) -> DigitalFilter<N>
+where
+    [(); N * 2 + 1]: Sized,
+    [(); N * 2]: Sized,
+{
+    let zpk = zpk2tf_st(&Arr::<f32, { N * 2 }>::new(), &Arr::<f32, { N * 2 }>::new());
+    DigitalFilter::Ba(zpk)
+}
+
+pub fn zpk2tf_st<const N: usize>(
+    _z: &Arr<f32, N>,
+    _p: &Arr<f32, N>,
+) -> BaFormatFilter<{ N + 1 }>
+where
+    [(); N + 1]: Sized,
+{
+    BaFormatFilter {}
+}
+
+
+fn main() {
+    iirfilter_st_copy::<4, 2>([10., 50.,]);
+}

ices/99173.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+cat > Cargo.toml <<'EOF'
+[package]
+name = "alba"
+version = "0.0.1"
+edition = "2021"
+
+[dependencies]
+sera = { path = "sera/" }
+EOF
+
+mkdir -p src sera/src
+
+cat > sera/Cargo.toml <<'EOF'
+[package]
+name = "sera"
+version = "0.0.1"
+edition = "2021"
+
+[lib]
+crate-type = ["proc-macro"]
+EOF
+
+cat > sera/src/lib.rs << EOF
+extern crate proc_macro;
+
+#[proc_macro]
+pub fn ignore(input: TokenStream) -> TokenStream {
+    let mut result : TokenStream = TokenStream::new();
+    result.into()
+}
+
+#[proc_macro]
+pub fn this_fails(input: TokenStream) -> TokenStream {
+    let mut result : TokenStream = TokenStream::new();
+    result.extend::<TokenStream>("metamodel_macros::ignore!(42).into()".parse().unwrap());
+    result.into()
+}
+EOF
+
+cat > src/main.rs << EOF
+#[test]
+pub fn bug_report() {
+    sera::this_fails!(1*2*3*7);
+}
+EOF
+
+cargo test