diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/librustc_mir/transform/const_prop.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/librustc_mir/transform/const_prop.rs b/src/librustc_mir/transform/const_prop.rs index 0653598bc86..7049fee5f8d 100644 --- a/src/librustc_mir/transform/const_prop.rs +++ b/src/librustc_mir/transform/const_prop.rs @@ -57,6 +57,14 @@ impl<'tcx> MirPass<'tcx> for ConstProp { return } + let is_generator = tcx.type_of(source.def_id()).is_generator(); + // FIXME(welseywiser) const prop doesn't work on generators because of query cycles + // computing their layout. + if is_generator { + trace!("ConstProp skipped for generator {:?}", source.def_id()); + return + } + trace!("ConstProp starting for {:?}", source.def_id()); // Steal some data we need from `body`. |