diff options
Diffstat (limited to 'compiler/rustc_metadata/src/rmeta/encoder.rs')
| -rw-r--r-- | compiler/rustc_metadata/src/rmeta/encoder.rs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index c1815ae3851..79eb48a1a31 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -1516,8 +1516,11 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { if encode_opt { record!(self.tables.optimized_mir[def_id.to_def_id()] <- tcx.optimized_mir(def_id)); - if tcx.sess.opts.unstable_opts.drop_tracking_mir && let DefKind::Generator = self.tcx.def_kind(def_id) { - record!(self.tables.mir_generator_witnesses[def_id.to_def_id()] <- tcx.mir_generator_witnesses(def_id)); + if tcx.sess.opts.unstable_opts.drop_tracking_mir + && let DefKind::Generator = self.tcx.def_kind(def_id) + && let Some(witnesses) = tcx.mir_generator_witnesses(def_id) + { + record!(self.tables.mir_generator_witnesses[def_id.to_def_id()] <- witnesses); } } if encode_const { |