+passes_both_ffi_const_and_pure =
+ `#[ffi_const]` function cannot be `#[ffi_pure]`
+
+passes_ffi_pure_invalid_target =
+ `#[ffi_pure]` may only be used on foreign functions
+
+passes_ffi_const_invalid_target =
+ `#[ffi_const]` may only be used on foreign functions
+
+passes_ffi_returns_twice_invalid_target =
+ `#[ffi_returns_twice]` may only be used on foreign functions
+