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$ git checkout -f v5.10.0
$ git clean -dxf
...
$ sh Configure -des -Dusethreads
$ make
# etc.

$ Porting/bisect.pl -Dusethreads --target=miniperl --expect-fail \
    --start=v5.10.0 --end=v5.26.0 -e 'eval q("x"=~?x?)'
...
...
perl-5.10.1
...