Irit Katriel <iritkatr...@gmail.com> added the comment:
The patch in PR31448 delays the creation of an implicit block to when it is needed (do if we begin using another block before a new instruction is added, the implicit block is never created). I counted how many empty blocks are being detected by the optimizer during "python -m test" and this number went down from 41798 (for main) to 35405 (for my PR), which shows that it is not only a theoretical possibility but actually happens. It would be things like: NEXT_BLOCK() VISIT_SEQ(c, stmt, s->v.Try.orelse); compiler_use_next_block(c, end); where the orelse block is empty. In summary, the patch simplifies the code as well as making it more efficient. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue46808> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
