[3.12] gh-109889: fix compiler's redundant NOP detection to look past NOPs with no lineno when looking for the next instruction's lineno (GH-109987) (#110048)

gh-109889: fix compiler's redundant NOP detection to look past NOPs with no lineno when looking for the next instruction's lineno (GH-109987)
(cherry picked from commit f580edcc6a4c528020afe46c753db713474acad6)

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>