diff options
Diffstat (limited to 'tests/ui/lint/lint-ctypes-option-nonnull-unsized.stderr')
| -rw-r--r-- | tests/ui/lint/lint-ctypes-option-nonnull-unsized.stderr | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/lint/lint-ctypes-option-nonnull-unsized.stderr b/tests/ui/lint/lint-ctypes-option-nonnull-unsized.stderr new file mode 100644 index 000000000..f59fb3cc7 --- /dev/null +++ b/tests/ui/lint/lint-ctypes-option-nonnull-unsized.stderr @@ -0,0 +1,16 @@ +error: `extern` fn uses type `Option<&T>`, which is not FFI-safe + --> $DIR/lint-ctypes-option-nonnull-unsized.rs:3:45 + | +LL | extern "C" fn foo<T: ?Sized + 'static>() -> Option<&'static T> { + | ^^^^^^^^^^^^^^^^^^ not FFI-safe + | + = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum + = note: enum has no representation hint +note: the lint level is defined here + --> $DIR/lint-ctypes-option-nonnull-unsized.rs:1:9 + | +LL | #![deny(improper_ctypes_definitions)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to previous error + |