[flang-commits] [flang] [clang] [flang][driver] Add support for -isysroot in the frontend (PR #77365)

[Leandro Lupori via flang-commits]

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luporl wrote:

I guess I was so focused on testing executables on Darwin that I forgot this test also applies to other targets.
Let's hope it doesn't introduce a failure on any target.

https://github.com/llvm/llvm-project/pull/77365