1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/consts/invalid_promotion.rs b/tests/ui/consts/invalid_promotion.rs
new file mode 100644
index 000000000..a31eaf40e
--- /dev/null
+++ b/tests/ui/consts/invalid_promotion.rs
@@ -0,0 +1,18 @@
+// build-pass (FIXME(62277): could be check-pass?)
+// note this was only reproducible with lib crates
+// compile-flags: --crate-type=lib
+
+pub struct Hz;
+
+impl Hz {
+    pub const fn num(&self) -> u32 {
+        42
+    }
+    pub const fn normalized(&self) -> Hz {
+        Hz
+    }
+
+    pub const fn as_u32(&self) -> u32 {
+        self.normalized().num() // this used to promote the `self.normalized()`
+    }
+}