It did not work in the case of a subpattern containing backtracking.
Temporary implement possessive quantifiers as equivalent greedy qualifiers
in atomic groups.
Revert "bpo-23689: re module, fix memory leak when a match is terminated by a signal or memory allocation failure (GH-32283)"
This reverts commit 6e3eee5c11.
Manual fixups to increase the MAGIC number and to handle conflicts with
a couple of changes that landed after that.
Thanks for reviews by Ma Lin and Serhiy Storchaka.
It was initially added to support atomic groups, but that
support was never fully implemented, and CALL was only left
in the compiler, but not interpreter and parser.
ATOMIC_GROUP is now used to support atomic groups.
SKO
Serhiy Storchaka
Nikita Sobolev
Gregory P. Smith
Miro Hrončok
Ma Lin