Fix handling of dead unwinds in backward analyses

Dead unwinds set contains a head of an unreachable unwind edge.
2023-01-02 00:00:00 +00:00 · 2023-01-02 00:00:00 +00:00 · 357c3cf72c
commit 357c3cf72c
parent 23b1cc197a
1 changed files with 1 additions and 1 deletions
--- a/compiler/rustc_mir_dataflow/src/framework/direction.rs
+++ b/compiler/rustc_mir_dataflow/src/framework/direction.rs
@ -287,7 +287,7 @@ fn join_state_into_successors_of<'tcx, A>(
                | mir::TerminatorKind::InlineAsm { cleanup: Some(unwind), .. }
                    if unwind == bb =>
                {
-                    if dead_unwinds.map_or(true, |dead| !dead.contains(bb)) {
+                    if dead_unwinds.map_or(true, |dead| !dead.contains(pred)) {
                        propagate(pred, exit_state);
                    }
                }