1 files changed, 22 insertions, 0 deletions

diff --git a/tests/ui/const-generics/issues/issue-72352.rs b/tests/ui/const-generics/issues/issue-72352.rs
new file mode 100644
index 00000000000..2fa1d7a5337
--- /dev/null
+++ b/tests/ui/const-generics/issues/issue-72352.rs
@@ -0,0 +1,22 @@
+// revisions: full min
+#![cfg_attr(full, feature(adt_const_params))]
+#![cfg_attr(full, allow(incomplete_features))]
+
+use std::ffi::{CStr, CString};
+
+unsafe fn unsafely_do_the_thing<const F: fn(&CStr) -> usize>(ptr: *const i8) -> usize {
+    //~^ ERROR: using function pointers as const generic parameters is forbidden
+    F(CStr::from_ptr(ptr))
+}
+
+fn safely_do_the_thing(s: &CStr) -> usize {
+    s.to_bytes().len()
+}
+
+fn main() {
+    let baguette = CString::new("baguette").unwrap();
+    let ptr = baguette.as_ptr();
+    println!("{}", unsafe {
+        unsafely_do_the_thing::<safely_do_the_thing>(ptr)
+    });
+}