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Don't get the global lock in the fast case

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This commit is contained in:
John Kåre Alsaker 2018-03-14 23:23:46 +01:00
parent 1dbc84d006
commit 1551ef1812
1 changed files with 3 additions and 3 deletions
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6
src/librustc/ty/context.rs
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@ -161,12 +161,12 @@ impl<'gcx: 'tcx, 'tcx> CtxtInterners<'tcx> {
-> Ty<'tcx> {
let ty = {
let mut interner = self.type_.borrow_mut();
let global_interner = global_interners.map(|interners| {
interners.type_.borrow_mut()
});
if let Some(&Interned(ty)) = interner.get(&st) {
return ty;
}
let global_interner = global_interners.map(|interners| {
interners.type_.borrow_mut()
});
if let Some(ref interner) = global_interner {
if let Some(&Interned(ty)) = interner.get(&st) {
return ty;