diff options
| -rw-r--r-- | compiler/rustc_metadata/src/rmeta/decoder.rs | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs index 29acacbf3b3..be5c7669b01 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder.rs @@ -162,9 +162,6 @@ pub(super) struct DecodeContext<'a, 'tcx> { sess: Option<&'tcx Session>, tcx: Option<TyCtxt<'tcx>>, - // Cache the last used source_file for translating spans as an optimization. - last_source_file_index: usize, - lazy_state: LazyState, // Used for decoding interpret::AllocIds in a cached & thread-safe manner. @@ -193,7 +190,6 @@ pub(super) trait Metadata<'a, 'tcx>: Copy { blob: self.blob(), sess: self.sess().or(tcx.map(|tcx| tcx.sess)), tcx, - last_source_file_index: 0, lazy_state: LazyState::NoNode, alloc_decoding_session: self .cdata() @@ -582,12 +578,6 @@ impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for Span { cnum ); - // Decoding 'foreign' spans should be rare enough that it's - // not worth it to maintain a per-CrateNum cache for `last_source_file_index`. - // We just set it to 0, to ensure that we don't try to access something out - // of bounds for our initial 'guess' - decoder.last_source_file_index = 0; - let foreign_data = decoder.cdata().cstore.get_crate_data(cnum); foreign_data.imported_source_file(metadata_index, sess) }; |