From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui/lint/opaque-ty-ffi-unsafe.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 src/test/ui/lint/opaque-ty-ffi-unsafe.rs (limited to 'src/test/ui/lint/opaque-ty-ffi-unsafe.rs') diff --git a/src/test/ui/lint/opaque-ty-ffi-unsafe.rs b/src/test/ui/lint/opaque-ty-ffi-unsafe.rs new file mode 100644 index 000000000..b7cc38e99 --- /dev/null +++ b/src/test/ui/lint/opaque-ty-ffi-unsafe.rs @@ -0,0 +1,15 @@ +#![feature(type_alias_impl_trait)] +#![deny(improper_ctypes)] + +type A = impl Fn(); + +pub fn ret_closure() -> A { + || {} +} + +extern "C" { + pub fn a(_: A); + //~^ ERROR `extern` block uses type `A`, which is not FFI-safe [improper_ctypes] +} + +fn main() {} -- cgit v1.2.3