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Auto merge of #98084 - nnethercote:rm-thread-local-IGNORED_ATTRIBUTES, r=michaelwoerister

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Remove thread-local `IGNORED_ATTRIBUTES`.

It's just a copy of the read-only global `ich::IGNORED_ATTRIBUTES`, and
can be removed without any effect.

r? `@michaelwoerister`
This commit is contained in:
bors 2022-06-15 08:20:19 +00:00
commit ebe184a693
1 changed files with 1 additions and 10 deletions
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11
compiler/rustc_query_system/src/ich/hcx.rs
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@ -1,6 +1,5 @@
use crate::ich;
use rustc_ast as ast;
use rustc_data_structures::fx::FxHashSet;
use rustc_data_structures::sorted_map::SortedMap;
use rustc_data_structures::stable_hasher::{HashStable, HashingControls, StableHasher};
use rustc_data_structures::sync::Lrc;
@ -13,11 +12,6 @@ use rustc_span::source_map::SourceMap;
use rustc_span::symbol::Symbol;
use rustc_span::{BytePos, CachingSourceMapView, SourceFile, Span, SpanData};
fn compute_ignored_attr_names() -> FxHashSet<Symbol> {
debug_assert!(!ich::IGNORED_ATTRIBUTES.is_empty());
ich::IGNORED_ATTRIBUTES.iter().copied().collect()
}
/// This is the context state available during incr. comp. hashing. It contains
/// enough information to transform `DefId`s and `HirId`s into stable `DefPath`s (i.e.,
/// a reference to the `TyCtxt`) and it holds a few caches for speeding up various
@ -161,10 +155,7 @@ impl<'a> StableHashingContext<'a> {
#[inline]
pub fn is_ignored_attr(&self, name: Symbol) -> bool {
thread_local! {
static IGNORED_ATTRIBUTES: FxHashSet<Symbol> = compute_ignored_attr_names();
}
IGNORED_ATTRIBUTES.with(|attrs| attrs.contains(&name))
ich::IGNORED_ATTRIBUTES.contains(&name)
}
#[inline]