add 3 ices

rust-lang/rust#98594
rust-lang/rust#98598
rust-lang/rust#98604

Author: matthiaskrgr

ices/98594.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+rustc -Zverbose - <<'EOF'
+
+
+#![allow(unused_parens)]
+trait Foo {
+    type Assoc;
+}
+
+fn called()
+where
+    for<'b> fn(&'b ()): Foo,
+{
+}
+
+fn caller()
+where
+    (for<'a> fn(&'a ())): Foo,
+{
+    called()
+}
+
+fn main() {}
+EOF
+

ices/98598.rs

@@ -0,0 +1,19 @@
+pub trait Foo {
+    type Output: Foo;
+    
+    fn baz() -> Self::Output;
+}
+
+pub struct Bar;
+
+impl Foo for &Bar {
+    type Output = Bar;
+
+    fn baz() -> Self::Output {
+        Foo::baz();
+
+        Self::Output {}
+    }
+}
+
+pub fn main() {}

ices/98604.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+rustc --edition=2021 - <<'EOF'
+
+type AsyncFnPtr = Box<
+    dyn Fn() -> std::pin::Pin<Box<dyn std::future::Future<Output = ()>>>,
+>;
+
+async fn test() {}
+
+#[allow(unused_must_use)]
+fn main() {
+    Box::new(test) as AsyncFnPtr;
+}
+
+EOF
+