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[3.6] bpo-30416: Protect the optimizer during constant folding. (#4865)
authorSerhiy Storchaka <storchaka@gmail.com>
Fri, 15 Dec 2017 12:12:14 +0000 (14:12 +0200)
committerGitHub <noreply@github.com>
Fri, 15 Dec 2017 12:12:14 +0000 (14:12 +0200)
commitb580f4f2bf49fd3b11f2a046911993560c02492a
tree8c0230cbd8e2cdbfaf003d48e14d664fd229de82tree | snapshot
parentb82da9ebb20053637e731fd40589e1e52f9f8f6ecommit | diff
[3.6] bpo-30416: Protect the optimizer during constant folding. (#4865)

It no longer spends much time doing complex calculations and no
longer consumes much memory for creating large constants that will
be dropped later.

This fixes also bpo-21074.
Lib/test/test_memoryio.py diff | blob | blame | history
Lib/test/test_peepholer.py diff | blob | blame | history
Misc/NEWS.d/next/Core and Builtins/2017-12-14-11-48-19.bpo-30416.hlHo_9.rst [new file with mode: 0644] blob
Python/peephole.c diff | blob | blame | history
Mirror of https://github.com/python/cpython.git