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Improve error message when we try to get_type on something that does not have a type

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Hannah McLaughlin 2020-11-15 21:14:00 +00:00
parent 071d8b14da
commit d38dbcb19f
1 changed files with 6 additions and 1 deletions
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7
compiler/rustc_metadata/src/rmeta/decoder.rs
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@ -947,7 +947,12 @@ impl<'a, 'tcx> CrateMetadataRef<'a> {
} }
fn get_type(&self, id: DefIndex, tcx: TyCtxt<'tcx>) -> Ty<'tcx> { fn get_type(&self, id: DefIndex, tcx: TyCtxt<'tcx>) -> Ty<'tcx> {
self.root.tables.ty.get(self, id).unwrap().decode((self, tcx)) self.root
.tables
.ty
.get(self, id)
.unwrap_or_else(|| panic!("Not a type: {:?}", id))
.decode((self, tcx))
} }
fn get_stability(&self, id: DefIndex) -> Option<attr::Stability> { fn get_stability(&self, id: DefIndex) -> Option<attr::Stability> {