int cscSize = tc.compilingSCs == null ? 0 : tc.compilingSCs.size();
if (cscSize == 0 || tc.scwbDisableDepth > 0)
return;
SerializationContext compSC = tc.compilingSCs.get(cscSize - 1).referencedSC;
if (st.sc != compSC) {
compSC.repossessSTable(st.sc, st);
st.sc = compSC;
}
}
/* bitwise operations. */