[flang-commits] [flang] [NFC][Flang] Move bounds helper functions to Util header. (PR #158658)

[Akash Banerjee via flang-commits]

TIFitis wrote:

@bhandarkar-pranav @skatrak I tried to merge #154164 but that still results in build errors. I've tried to get around the linker errors by adding an additional change of moving `flang/lib/Optimizer/Builder/BoxValue.cpp → flang/lib/Optimizer/Support/BoxValue.cpp` to this PR.

https://github.com/llvm/llvm-project/pull/158658