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Remove Upvar duplication

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This cuts out an extra allocation and copying over from the already
cached closure capture information.
This commit is contained in:
Mark Rousskov
2023-11-26 08:39:57 -05:00
parent 3166210d68
commit d920dd8d38
10 changed files with 35 additions and 50 deletions
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4
compiler/rustc_borrowck/src/diagnostics/move_errors.rs
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@@ -363,8 +363,8 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
format!("captured variable in an `{closure_kind}` closure");
let upvar = &self.upvars[upvar_field.unwrap().index()];
let upvar_hir_id = upvar.place.get_root_variable();
let upvar_name = upvar.place.to_string(self.infcx.tcx);
let upvar_hir_id = upvar.get_root_variable();
let upvar_name = upvar.to_string(self.infcx.tcx);
let upvar_span = self.infcx.tcx.hir().span(upvar_hir_id);
let place_name = self.describe_any_place(move_place.as_ref());