[Bug c++/105884] New: A possible optimization bug when uint64_t is used with -O2/-O3.

[zhonghao at pku dot org.cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105884

            Bug ID: 105884
           Summary: A possible optimization bug when uint64_t is used with
                    -O2/-O3.
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zhonghao at pku dot org.cn
  Target Milestone: ---

zapret is a tool to bypass network blocking:
https://github.com/bol-van/zapret/blob/master/docs/readme.eng.md

I notice that its programmers complain an optimization bug. This bug is
triggered when gcc optimizes uint64_t. The commit is
https://github.com/bol-van/zapret/commit/9402cd2cf0a16352a3401f7bce1a894bf131138b

Please check the problem.