add 4 ices

rust-lang/rust#97695
rust-lang/rust#97698
rust-lang/rust#97706
rust-lang/rust#97728

Author: matthiaskrgr

ices/97695.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+rustc -Zmir-opt-level=3 --emit=mir - << EOF
+
+pub trait Associate {
+    type Associated;
+}
+
+pub struct Wrap<'a> {
+    pub field: &'a i32,
+}
+
+pub trait Create<T> {
+    fn create() -> Self;
+}
+
+pub fn oh_no<'a, T>()
+where
+    Wrap<'a>: Associate,
+    <Wrap<'a> as Associate>::Associated: Create<T>,
+{
+    <Wrap<'a> as Associate>::Associated::create();
+}
+
+pub fn main() {}
+
+EOF

ices/97698.rs

@@ -0,0 +1,9 @@
+use std::ffi::CString;
+
+impl Lock {
+    pub fn new() {
+        if () == -1 {
+            CString::new();
+        }
+    }
+}

ices/97706.rs

@@ -0,0 +1,24 @@
+pub fn compose(
+    f1: impl FnOnce(f64) -> f64 + Clone,
+    f2: impl FnOnce(f64) -> f64 + Clone,
+) -> impl FnOnce(f64) -> f64 + Clone {
+    move |x| f1(f2(x))
+}
+
+pub fn double(f: impl FnOnce(f64) -> f64 + Clone) -> impl FnOnce(f64) -> f64 + Clone {
+    compose(f.clone(), f)
+}
+
+
+fn repeat_helper(f: impl FnOnce(f64) -> f64 + Clone, res: impl FnOnce(f64) -> f64 + Clone, times: usize) -> impl FnOnce(f64) -> f64 + Clone {
+    if times == 1 {
+        return res;
+    }
+    repeat_helper(f.clone(), compose(f, res), times - 1)
+}
+
+pub fn repeat(f: impl FnOnce(f64) -> f64 + Clone, times: usize) -> impl FnOnce(f64) -> f64 + Clone {
+    repeat_helper(f.clone(), f, times)
+}
+
+pub fn main() {}

ices/97728.sh

@@ -0,0 +1,70 @@
+#!/bin/sh
+
+rustc -Zmir-opt-level=3 --emit=mir - << EOF
+
+
+// check-pass
+
+#![allow(dead_code)]
+
+trait ParseError {
+    type StreamError;
+}
+
+impl<T> ParseError for T {
+    type StreamError = ();
+}
+
+trait Stream {
+    type Item;
+    type Error: ParseError;
+}
+
+trait Parser
+where
+    <Self as Parser>::PartialState: Default,
+{
+    type PartialState;
+    fn parse_mode(_: &Self, _: Self::PartialState) {
+        loop {}
+    }
+}
+
+impl Stream for () {
+    type Item = ();
+    type Error = ();
+}
+
+impl Parser for () {
+    type PartialState = ();
+}
+
+struct AndThen<A, B>(core::marker::PhantomData<(A, B)>);
+
+impl<A, B> Parser for AndThen<A, B>
+where
+    A: Stream,
+    B: Into<<A::Error as ParseError>::StreamError>,
+{
+    type PartialState = ();
+}
+
+fn expr<A>() -> impl Parser
+where
+    A: Stream<Error = <A as Stream>::Item>,
+{
+    AndThen::<A, ()>(core::marker::PhantomData)
+}
+
+fn parse_mode_impl<A>()
+where
+    <A as Stream>::Error: ParseError,
+    A: Stream<Error = <A as Stream>::Item>,
+{
+    Parser::parse_mode(&expr::<A>(), Default::default())
+}
+
+fn main() {}
+
+
+EOF