[flang-commits] [flang] [flang] Add hlfir.char_trim operation (PR #156064)

[Slava Zakharin via flang-commits]

vzakhari wrote:

> it must always be a character with unknown length.

It makes a lot of sense :) Looks good to me, but please let others comment as well.

https://github.com/llvm/llvm-project/pull/156064