Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide/src/hover/tests.rs')
| -rw-r--r-- | crates/ide/src/hover/tests.rs | 28 |
1 files changed, 2 insertions, 26 deletions
diff --git a/crates/ide/src/hover/tests.rs b/crates/ide/src/hover/tests.rs index 6b470d921f..5dfd826d7f 100644 --- a/crates/ide/src/hover/tests.rs +++ b/crates/ide/src/hover/tests.rs @@ -6945,9 +6945,8 @@ fn hover_feature() { Various intrinsics have native MIR operations that they correspond to. Instead of requiring backends to implement both the intrinsic and the MIR operation, the `lower_intrinsics` pass will convert the calls to the MIR operation. Backends do not need to know about these intrinsics - at all. These intrinsics only make sense without a body, and can either be declared as a "rust-intrinsic" - or as a `#[rustc_intrinsic]`. The body is never used, as calls to the intrinsic do not exist - anymore after MIR analyses. + at all. These intrinsics only make sense without a body, and can be as a `#[rustc_intrinsic]`. + The body is never used, as calls to the intrinsic do not exist anymore after MIR analyses. ## Intrinsics without fallback logic @@ -6960,29 +6959,6 @@ fn hover_feature() { `#[rustc_intrinsic_must_be_overridden]` to the function to ensure that backends don't invoke the body. - ### Legacy extern ABI based intrinsics - - These are imported as if they were FFI functions, with the special - `rust-intrinsic` ABI. For example, if one was in a freestanding - context, but wished to be able to `transmute` between types, and - perform efficient pointer arithmetic, one would import those functions - via a declaration like - - ```rust - #![feature(intrinsics)] - #![allow(internal_features)] - # fn main() {} - - extern "rust-intrinsic" { - fn transmute<T, U>(x: T) -> U; - - fn arith_offset<T>(dst: *const T, offset: isize) -> *const T; - } - ``` - - As with any other FFI functions, these are by default always `unsafe` to call. - You can add `#[rustc_safe_intrinsic]` to the intrinsic to make it safe to call. - "#]], ) } |