[Bug tree-optimization/103821] [12 Regression] huge compile time (jump threading) at -O3 for simple code since r12-4790-g4b3a325f07acebf47e82de227ce1d5ba62f5bcae

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103821

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Andrew Macleod <amacl...@gcc.gnu.org>:

https://gcc.gnu.org/g:71b72132011a47a4b39950d95718f18d1218978c

commit r12-6477-g71b72132011a47a4b39950d95718f18d1218978c
Author: Andrew MacLeod <amacl...@redhat.com>
Date:   Mon Jan 10 13:33:44 2022 -0500

    Prevent exponential range calculations.

    Produce a summary result for any operation involving too many subranges.

            PR tree-optimization/103821
            * range-op.cc (range_operator::fold_range): Only do precise ranges
            when there are not too many subranges.