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Untouch back perf sensetive code 😅

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Maybe Waffle 2023-01-14 14:15:40 +00:00
parent c21b1f742e
commit 4a6d9de828
1 changed files with 7 additions and 5 deletions
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12
compiler/rustc_trait_selection/src/traits/fulfill.rs
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@ -208,12 +208,14 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> {
_ => { _ => {
// This `for` loop was once a call to `all()`, but this lower-level // This `for` loop was once a call to `all()`, but this lower-level
// form was a perf win. See #64545 for details. // form was a perf win. See #64545 for details.
for &infer_var in &pending_obligation.stalled_on { (|| {
if self.selcx.infcx.ty_or_const_infer_var_changed(infer_var) { for &infer_var in &pending_obligation.stalled_on {
return true; if self.selcx.infcx.ty_or_const_infer_var_changed(infer_var) {
return true;
}
} }
} false
false })()
} }
} }
} }