diff --git a/tests/crashes/124436.rs b/tests/crashes/124436.rs
new file mode 100644
index 00000000000..aed830e8f0e
--- /dev/null
+++ b/tests/crashes/124436.rs
@@ -0,0 +1,7 @@
+//@ known-bug: rust-lang/rust#124436
+//@ compile-flags: -Zdump-mir=all -Zpolymorphize=on
+
+pub trait TraitCat {}
+pub trait TraitDog {}
+
+pub fn gamma<T: TraitCat + TraitDog>(t: [TraitDog; 32]) {}
diff --git a/tests/crashes/124440.rs b/tests/crashes/124440.rs
new file mode 100644
index 00000000000..431c4e444f1
--- /dev/null
+++ b/tests/crashes/124440.rs
@@ -0,0 +1,23 @@
+//@ known-bug: rust-lang/rust#124440
+
+#![allow(warnings)]
+
+trait Foo {}
+
+impl<F> Foo for F where F: FnMut(&()) {}
+
+struct Bar<F> {
+    f: F,
+}
+
+impl<F> Foo for Bar<F> where F: Foo {}
+
+fn assert_foo<F>(_: F)
+where
+    Bar<F>: Foo,
+{
+}
+
+fn main() {
+    assert_foo(|_| ());
+}
diff --git a/tests/crashes/124464.rs b/tests/crashes/124464.rs
new file mode 100644
index 00000000000..471479f5cf1
--- /dev/null
+++ b/tests/crashes/124464.rs
@@ -0,0 +1,17 @@
+//@ known-bug: rust-lang/rust #124464
+enum TestOption<T> {
+    TestSome(T),
+    TestSome(T),
+}
+
+pub struct Request {
+    bar: TestOption<u64>,
+    bar: u8,
+}
+
+fn default_instance() -> &'static Request {
+    static instance: Request = Request { bar: 17 };
+    &instance
+}
+
+pub fn main() {}
diff --git a/tests/crashes/124490.rs b/tests/crashes/124490.rs
new file mode 100644
index 00000000000..9f605c32cf2
--- /dev/null
+++ b/tests/crashes/124490.rs
@@ -0,0 +1,16 @@
+//@ known-bug: rust-lang/rust#124490
+use io::{self as std};
+use std::collections::{self as io};
+
+mod a {
+    pub mod b {
+        pub mod c {}
+    }
+}
+
+use a::*;
+
+use b::c;
+use c as b;
+
+fn main() {}
diff --git a/tests/crashes/124552.rs b/tests/crashes/124552.rs
new file mode 100644
index 00000000000..5320ce27843
--- /dev/null
+++ b/tests/crashes/124552.rs
@@ -0,0 +1,12 @@
+//@ known-bug: rust-lang/rust#124552
+
+struct B;
+
+struct Foo {
+    b: u32,
+    b: B,
+}
+
+static BAR: Foo = Foo { b: B };
+
+fn main() {}
diff --git a/tests/crashes/124563.rs b/tests/crashes/124563.rs
new file mode 100644
index 00000000000..b082739af53
--- /dev/null
+++ b/tests/crashes/124563.rs
@@ -0,0 +1,46 @@
+//@ known-bug: rust-lang/rust#124563
+
+use std::marker::PhantomData;
+
+pub trait Trait {}
+
+pub trait Foo {
+    type Trait: Trait;
+    type Bar: Bar;
+    fn foo(&mut self);
+}
+
+pub struct FooImpl<'a, 'b, A: Trait>(PhantomData<&'a &'b A>);
+
+impl<'a, 'b, T> Foo for FooImpl<'a, 'b, T>
+where
+    T: Trait,
+{
+    type Trait = T;
+    type Bar = BarImpl<'a, 'b, T>;
+
+    fn foo(&mut self) {
+        self.enter_scope(|ctx| {
+            BarImpl(ctx);
+        });
+    }
+}
+
+impl<'a, 'b, T> FooImpl<'a, 'b, T>
+where
+    T: Trait,
+{
+    fn enter_scope(&mut self, _scope: impl FnOnce(&mut Self)) {}
+}
+pub trait Bar {
+    type Foo: Foo;
+}
+
+pub struct BarImpl<'a, 'b, T: Trait>(&'b mut FooImpl<'a, 'b, T>);
+
+impl<'a, 'b, T> Bar for BarImpl<'a, 'b, T>
+where
+    T: Trait,
+{
+    type Foo = FooImpl<'a, 'b, T>;
+}
diff --git a/tests/crashes/124583.rs b/tests/crashes/124583.rs
new file mode 100644
index 00000000000..ffd9d7521ad
--- /dev/null
+++ b/tests/crashes/124583.rs
@@ -0,0 +1,5 @@
+//@ known-bug: rust-lang/rust#124583
+
+fn main() {
+    let _ = -(-0.0f16);
+}
diff --git a/tests/crashes/124702.rs b/tests/crashes/124702.rs
new file mode 100644
index 00000000000..e3767dec403
--- /dev/null
+++ b/tests/crashes/124702.rs
@@ -0,0 +1,14 @@
+//@ known-bug: rust-lang/rust#124702
+//@ compile-flags: -Znext-solver=coherence
+trait X {}
+
+trait Z {
+    type Assoc: Y;
+}
+struct A<T>(T);
+
+impl<T: X> Z for A<T> {
+    type Assoc = T;
+}
+
+impl<T> From<<A<A<T>> as Z>::Assoc> for T {}
diff --git a/tests/crashes/124751.rs b/tests/crashes/124751.rs
new file mode 100644
index 00000000000..f15e39965d3
--- /dev/null
+++ b/tests/crashes/124751.rs
@@ -0,0 +1,8 @@
+//@ known-bug: rust-lang/rust#124751
+//@ compile-flags: -Zunstable-options --edition=2024
+
+#![feature(gen_blocks)]
+
+fn main() {
+    let _ = async gen || {};
+}