From: LeSeulArtichaut Date: Thu, 14 May 2020 18:37:23 +0000 (+0200) Subject: Add more cases to the test X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=3ce9d5c26982ff0516946dda7fa8d29580fa25b3;p=rust.git Add more cases to the test --- diff --git a/src/test/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.rs b/src/test/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.rs index 7feb68b9857..618c9115815 100644 --- a/src/test/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.rs +++ b/src/test/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.rs @@ -1,16 +1,38 @@ #![feature(unsafe_block_in_unsafe_fn)] #![warn(unsafe_op_in_unsafe_fn)] #![deny(unused_unsafe)] +#![deny(safe_packed_borrows)] unsafe fn unsf() {} +const PTR: *const () = std::ptr::null(); +static mut VOID: () = (); + +#[repr(packed)] +pub struct Packed { + data: &'static u32, +} + +const PACKED: Packed = Packed { data: &0 }; unsafe fn foo() { unsf(); //~^ WARNING call to unsafe function is unsafe and requires unsafe block + *PTR; + //~^ WARNING dereference of raw pointer is unsafe and requires unsafe block + VOID = (); + //~^ WARNING use of mutable static is unsafe and requires unsafe block + &PACKED.data; // the level for the `safe_packed_borrows` lint is ignored + //~^ WARNING borrow of packed field is unsafe and requires unsafe block } unsafe fn bar() { - unsafe { unsf() } // no error + // no error + unsafe { + unsf(); + *PTR; + VOID = (); + &PACKED.data; + } } unsafe fn baz() { @@ -20,7 +42,11 @@ unsafe fn baz() { #[allow(unsafe_op_in_unsafe_fn)] unsafe fn qux() { - unsf(); // no error + // lint allowed -> no error + unsf(); + *PTR; + VOID = (); + &PACKED.data; unsafe { unsf() } //~^ ERROR unnecessary `unsafe` block