[flang-commits] [flang] [flang][cli] Add diagnostic flags to the CLI (PR #142022)

[Peter Klausler via flang-commits]

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@@ -8,7 +8,9 @@
 
 #include "flang/Support/Fortran-features.h"
 #include "flang/Common/idioms.h"
+#include "flang/Common/optional.h"
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klausler wrote:

You can just use `<optional>` unless you're in the runtime.

https://github.com/llvm/llvm-project/pull/142022