if (StgMVar_value(mvar) != stg_END_TSO_QUEUE_closure) {
// see Note [mvar-heap-check] above
- HP_CHK_GEN_TICKY(SIZEOF_StgMVarTSOQueue, R1_PTR|R2_PTR, stg_putMVarzh);
+ HP_CHK_GEN_TICKY(SIZEOF_StgMVarTSOQueue, R1_PTR & R2_PTR, stg_putMVarzh);
q = Hp - SIZEOF_StgMVarTSOQueue + WDS(1);