Fix #43457 (and avoid some unneeded lookups to boot, woo).
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1 changed files with 2 additions and 8 deletions
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@ -22,10 +22,7 @@ impl<'tcx> Mirror<'tcx> for &'tcx hir::Block {
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// We have to eagerly translate the "spine" of the statements
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// in order to get the lexical scoping correctly.
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let stmts = mirror_stmts(cx, self.id, &*self.stmts);
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let opt_def_id = cx.tcx.hir.opt_local_def_id(self.id);
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let opt_destruction_extent = opt_def_id.and_then(|def_id| {
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cx.tcx.region_maps(def_id).opt_destruction_extent(self.id)
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});
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let opt_destruction_extent = cx.region_maps.opt_destruction_extent(self.id);
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Block {
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targeted_by_break: self.targeted_by_break,
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extent: CodeExtent::Misc(self.id),
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@ -42,11 +39,8 @@ fn mirror_stmts<'a, 'gcx, 'tcx>(cx: &mut Cx<'a, 'gcx, 'tcx>,
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stmts: &'tcx [hir::Stmt])
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-> Vec<StmtRef<'tcx>> {
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let mut result = vec![];
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let opt_def_id = cx.tcx.hir.opt_local_def_id(block_id);
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for (index, stmt) in stmts.iter().enumerate() {
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let opt_dxn_ext = opt_def_id.and_then(|def_id| {
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cx.tcx.region_maps(def_id).opt_destruction_extent(stmt.node.id())
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});
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let opt_dxn_ext = cx.region_maps.opt_destruction_extent(stmt.node.id());
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match stmt.node {
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hir::StmtExpr(ref expr, id) |
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hir::StmtSemi(ref expr, id) => {
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