bcprev            483 src/code.c         cc_builder_chunk *bc, *bcprev;
bcprev            492 src/code.c         bcprev = NULL;
bcprev            495 src/code.c             bc->prev = bcprev;
bcprev            496 src/code.c             bcprev = bc;
bcprev            501 src/code.c         bc = bcprev;