Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Remove ptr_map special casing for miri (#565) #630

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 0 additions & 17 deletions src/bytes.rs
Original file line number Diff line number Diff line change
Expand Up @@ -1221,13 +1221,6 @@ unsafe fn release_shared(ptr: *mut Shared) {
drop(Box::from_raw(ptr));
}

// Ideally we would always use this version of `ptr_map` since it is strict
// provenance compatible, but it results in worse codegen. We will however still
// use it on miri because it gives better diagnostics for people who test bytes
// code with miri.
//
// See https://github.com/tokio-rs/bytes/pull/545 for more info.
#[cfg(miri)]
fn ptr_map<F>(ptr: *mut u8, f: F) -> *mut u8
where
F: FnOnce(usize) -> usize,
Expand All @@ -1238,16 +1231,6 @@ where
ptr.wrapping_add(diff)
}

#[cfg(not(miri))]
fn ptr_map<F>(ptr: *mut u8, f: F) -> *mut u8
where
F: FnOnce(usize) -> usize,
{
let old_addr = ptr as usize;
let new_addr = f(old_addr);
new_addr as *mut u8
}

// compile-fails

/// ```compile_fail
Expand Down