[flang-commits] [flang] [flang] Fix flang tests on MacOS (PR #70811)

[Leandro Lupori via flang-commits]

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@@ -1,4 +1,5 @@
-! UNSUPPORTED: system-windows
+! MacOS needs -isysroot <osx_sysroot> with clang and flang to build binaries.
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luporl wrote:

They are not used in this test, but are used in `flang/test/Runtime/no-cpp-dep.c`. And now any flang test using `%cc` will already have the proper sysroot flag on MacOS.

After `-isysroot` support is added to flang, it will be possible to use the cfg changes here too.

https://github.com/llvm/llvm-project/pull/70811