diff options
Diffstat (limited to 'lib/compiler/src/beam_utils.erl')
| -rw-r--r-- | lib/compiler/src/beam_utils.erl | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl index e61d6a43b4..60221578bd 100644 --- a/lib/compiler/src/beam_utils.erl +++ b/lib/compiler/src/beam_utils.erl @@ -593,6 +593,10 @@ check_liveness(R, [{allocate_zero,N,Live}|Is], St) -> check_liveness(R, [{get_list,S,D1,D2}|Is], St) -> I = {block,[{set,[D1,D2],[S],get_list}]}, check_liveness(R, [I|Is], St); +check_liveness(R, [remove_message|Is], St) -> + check_liveness(R, Is, St); +check_liveness({x,X}, [build_stacktrace|_], St) when X > 0 -> + {killed,St}; check_liveness(_R, Is, St) when is_list(Is) -> %% Not implemented. Conservatively assume that the register is used. {used,St}. |