[flang-commits] [flang] [flang] Do not create .f18.mod files for each compiled module (PR #85249)

[Michael Klemm via flang-commits]

mjklemm wrote:

> Would the flang-to-external-fc script (https://flang.llvm.org/docs/FlangDriver.html#the-flang-to-external-fc-script) work without this? The script might not be needed if nobody is using it. If so it might be good to remove that in a separate patch.

I have touch-tested this and the `flang-to-external-fc` seems to have worked and compiled some simple tests.  

https://github.com/llvm/llvm-project/pull/85249