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1 parent 2f69b79 commit ce64f9dCopy full SHA for ce64f9d
src/librustc/infer/region_constraints/mod.rs
@@ -851,6 +851,8 @@ impl<'tcx> RegionConstraintCollector<'tcx> {
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ty::ReVar(vid) => self.var_universe(vid),
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ty::ReLateBound(..) =>
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bug!("universe(): encountered bound region {:?}", region),
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+ ty::ReCanonical(..) =>
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+ bug!("region_universe(): encountered canonical region {:?}", region),
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}
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