diff options
| -rw-r--r-- | src/librustc_mir/borrow_check/nll/universal_regions.rs | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/librustc_mir/borrow_check/nll/universal_regions.rs b/src/librustc_mir/borrow_check/nll/universal_regions.rs index 45604d52958..0e329266ea1 100644 --- a/src/librustc_mir/borrow_check/nll/universal_regions.rs +++ b/src/librustc_mir/borrow_check/nll/universal_regions.rs @@ -799,10 +799,12 @@ impl<'tcx> UniversalRegionIndices<'tcx> { /// during initialization. Relies on the `indices` map having been /// fully initialized. pub fn to_region_vid(&self, r: ty::Region<'tcx>) -> RegionVid { - match r { - ty::ReEarlyBound(..) | ty::ReStatic => *self.indices.get(&r).unwrap(), - ty::ReVar(..) => r.to_region_vid(), - _ => bug!("cannot convert `{:?}` to a region vid", r), + if let ty::ReVar(..) = r { + r.to_region_vid() + } else { + *self.indices.get(&r).unwrap_or_else(|| { + bug!("cannot convert `{:?}` to a region vid", r) + }) } } |