Joe Loser cf9ee8791e [libc++][test] Move common_input_iterator to test_iterators.h
There's a bit of duplication in use of `common_input_iterator` as noted in
https://reviews.llvm.org/D141216.  Lift `common_input_iterator` into
`test_iterators.h`.

Differential Revision: https://reviews.llvm.org/D141238
2023-01-10 17:15:04 -07:00
..