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Arena: Copy cold_path and remove rustc_data_structures dependency

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This commit is contained in:
Dániel Buga 2020-10-15 09:07:02 +02:00
parent 5565241f65
commit 52ff31a7eb
3 changed files with 6 additions and 3 deletions
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1
Cargo.lock
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@ -3350,7 +3350,6 @@ dependencies = [
name = "rustc_arena"
version = "0.0.0"
dependencies = [
"rustc_data_structures",
"smallvec 1.4.2",
]

1
compiler/rustc_arena/Cargo.toml
View File

@ -5,5 +5,4 @@ version = "0.0.0"
edition = "2018"
[dependencies]
rustc_data_structures = { path = "../rustc_data_structures" }
smallvec = { version = "1.0", features = ["union", "may_dangle"] }

7
compiler/rustc_arena/src/lib.rs
View File

@ -16,7 +16,6 @@
#![feature(maybe_uninit_slice)]
#![cfg_attr(test, feature(test))]
use rustc_data_structures::cold_path;
use smallvec::SmallVec;
use std::alloc::Layout;
@ -27,6 +26,12 @@ use std::mem::{self, MaybeUninit};
use std::ptr;
use std::slice;
#[inline(never)]
#[cold]
pub fn cold_path<F: FnOnce() -> R, R>(f: F) -> R {
f()
}
/// An arena that can hold objects of only one type.
pub struct TypedArena<T> {
/// A pointer to the next object to be allocated.