1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/lint/lint-non-camel-case-with-trailing-underscores.rs b/src/test/ui/lint/lint-non-camel-case-with-trailing-underscores.rs
new file mode 100644
index 000000000..b832e4bcd
--- /dev/null
+++ b/src/test/ui/lint/lint-non-camel-case-with-trailing-underscores.rs
@@ -0,0 +1,11 @@
+// check-pass
+
+#![allow(dead_code)]
+// This is ok because we often use the trailing underscore to mean 'prime'
+
+// pretty-expanded FIXME #23616
+
+#[forbid(non_camel_case_types)]
+type Foo_ = isize;
+
+pub fn main() { }