[flang] [llvm] [LLVM-Flang] Improve the realloc size for the write statement (PR #187662)

[Eugene Epshteyn via llvm-commits]

eugeneepshteyn wrote:

> With the main branch, I get:
> ...
> With this PR, I get:

Thanks. Are these numbers with release (optimized) build of flang and its library? (I'm not against your change, I just want to ensure that we are comparing the right things.)

https://github.com/llvm/llvm-project/pull/187662