1 files changed, 48 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2008-non-exhaustive/improper_ctypes/same_crate_proper.rs b/src/test/ui/rfc-2008-non-exhaustive/improper_ctypes/same_crate_proper.rs
new file mode 100644
index 000000000..fe4ae345d
--- /dev/null
+++ b/src/test/ui/rfc-2008-non-exhaustive/improper_ctypes/same_crate_proper.rs
@@ -0,0 +1,48 @@
+// check-pass
+#![deny(improper_ctypes)]
+
+// This test checks that non-exhaustive types with `#[repr(C)]` are considered proper within
+// the defining crate.
+
+#[non_exhaustive]
+#[repr(C)]
+pub enum NonExhaustiveEnum {
+    Unit,
+    Tuple(u32),
+    Struct { field: u32 },
+}
+
+#[non_exhaustive]
+#[repr(C)]
+pub struct NormalStruct {
+    pub first_field: u16,
+    pub second_field: u16,
+}
+
+#[non_exhaustive]
+#[repr(C)]
+pub struct UnitStruct;
+
+#[non_exhaustive]
+#[repr(C)]
+pub struct TupleStruct(pub u16, pub u16);
+
+#[repr(C)]
+pub enum NonExhaustiveVariants {
+    #[non_exhaustive]
+    Unit,
+    #[non_exhaustive]
+    Tuple(u32),
+    #[non_exhaustive]
+    Struct { field: u32 },
+}
+
+extern "C" {
+    // Unit structs aren't tested here because they will trigger `improper_ctypes` anyway.
+    pub fn non_exhaustive_enum(_: NonExhaustiveEnum);
+    pub fn non_exhaustive_normal_struct(_: NormalStruct);
+    pub fn non_exhaustive_tuple_struct(_: TupleStruct);
+    pub fn non_exhaustive_variant(_: NonExhaustiveVariants);
+}
+
+fn main() {}