LL | pub fn foo(x: (Foo));
| ^^^ not FFI-safe
|
-note: the lint level is defined here
- --> $DIR/issue-16250.rs:1:9
- |
-LL | #![deny(warnings)]
- | ^^^^^^^^
- = note: `#[deny(improper_ctypes)]` implied by `#[deny(warnings)]`
= help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
= note: this struct has unspecified layout
note: the type is defined here
|
LL | pub struct Foo;
| ^^^^^^^^^^^^^^
+note: the lint level is defined here
+ --> $DIR/issue-16250.rs:1:9
+ |
+LL | #![deny(warnings)]
+ | ^^^^^^^^
+ = note: `#[deny(improper_ctypes)]` implied by `#[deny(warnings)]`
error: aborting due to previous error