[Bug libstdc++/90638] Wrong results of pow(complex , T1) function when the T1 type differs from T and from int

[Igor.Smirnov at cern dot ch]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90638

--- Comment #2 from Igor Smirnov <Igor.Smirnov at cern dot ch> ---
Strange... It came with freshiest available CentOS 7.6.