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authorbors <bors@rust-lang.org>2021-09-18 03:30:13 +0000
committerbors <bors@rust-lang.org>2021-09-18 03:30:13 +0000
commit6c33a0a2ec8a32016fcb35342ae9d08087e38d5c (patch)
tree29210e998d8a3cb0331b40a419e07d23bd880795 /compiler/rustc_span/src/lib.rs
parent8e398f5ba77b283b529c0c61cc2313c4f82d61dd (diff)
parentccba8cb4bb6ba5c2c136f14952ff6119020cc7f5 (diff)
downloadrust-6c33a0a2ec8a32016fcb35342ae9d08087e38d5c.tar.gz
rust-6c33a0a2ec8a32016fcb35342ae9d08087e38d5c.zip
Auto merge of #88978 - bjorn3:move_symbol_interner_lock, r=Mark-Simulacrum
Move the Lock into symbol::Interner

This makes it easier to make the symbol interner (near) lock free in case of concurrent accesses in the future.

With https://github.com/rust-lang/rust/pull/87867 landed this shouldn't affect performance anymore.
Diffstat (limited to 'compiler/rustc_span/src/lib.rs')
-rw-r--r--compiler/rustc_span/src/lib.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
index eb496140553..9c5469f635f 100644
--- a/compiler/rustc_span/src/lib.rs
+++ b/compiler/rustc_span/src/lib.rs
@@ -78,7 +78,7 @@ mod tests;
 // threads within the compilation session, but is not accessible outside the
 // session.
 pub struct SessionGlobals {
-    symbol_interner: Lock<symbol::Interner>,
+    symbol_interner: symbol::Interner,
     span_interner: Lock<span_encoding::SpanInterner>,
     hygiene_data: Lock<hygiene::HygieneData>,
     source_map: Lock<Option<Lrc<SourceMap>>>,
@@ -87,7 +87,7 @@ pub struct SessionGlobals {
 impl SessionGlobals {
     pub fn new(edition: Edition) -> SessionGlobals {
         SessionGlobals {
-            symbol_interner: Lock::new(symbol::Interner::fresh()),
+            symbol_interner: symbol::Interner::fresh(),
             span_interner: Lock::new(span_encoding::SpanInterner::default()),
             hygiene_data: Lock::new(hygiene::HygieneData::new(edition)),
             source_map: Lock::new(None),