compiler: Accept "improper" ctypes in extern "rust-cold" fn

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/ui/lint/rust-cold-fn-accept-improper-ctypes.rs b/tests/ui/lint/rust-cold-fn-accept-improper-ctypes.rs
new file mode 100644
index 00000000000..dc929e14527
--- /dev/null
+++ b/tests/ui/lint/rust-cold-fn-accept-improper-ctypes.rs
@@ -0,0 +1,14 @@
+//@ check-pass
+#![feature(rust_cold_cc)]
+
+// extern "rust-cold" is a "Rust" ABI so we accept `repr(Rust)` types as arg/ret without warnings.
+
+pub extern "rust-cold" fn f(_: ()) -> Result<(), ()> {
+    Ok(())
+}
+
+extern "rust-cold" {
+    pub fn g(_: ()) -> Result<(), ()>;
+}
+
+fn main() {}