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Avoid looking at closure_kinds for generators

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This commit is contained in:
Alex Crichton 2017-08-24 11:40:06 -07:00
parent c74ff320ee
commit 0727adec6c
1 changed files with 6 additions and 7 deletions
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13
src/librustc/middle/mem_categorization.rs
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@ -725,13 +725,12 @@ impl<'a, 'gcx, 'tcx> MemCategorizationContext<'a, 'gcx, 'tcx> {
// FnMut | copied -> &'env mut | upvar -> &'env mut -> &'up bk
// FnOnce | copied | upvar -> &'up bk
let kind = match self.tables.closure_kinds().get(fn_hir_id) {
Some(&(kind, _)) => kind,
None => {
let ty = self.node_ty(fn_hir_id)?;
match ty.sty {
ty::TyGenerator(..) => ty::ClosureKind::FnOnce,
_ => span_bug!(span, "missing closure kind"),
let kind = match self.node_ty(fn_hir_id)?.sty {
ty::TyGenerator(..) => ty::ClosureKind::FnOnce,
_ => {
match self.tables.closure_kinds().get(fn_hir_id) {
Some(&(kind, _)) => kind,
None => span_bug!(span, "missing closure kind"),
}
}
};