[llvm-bugs] [Bug 50185] New: decouple Diagnostics from clang

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=50185

            Bug ID: 50185
           Summary: decouple Diagnostics from clang
           Product: flang
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Driver
          Assignee: unassignedbugs at nondot.org
          Reporter: ndesaulniers at google.com
                CC: David.Truby at arm.com, echristo at gmail.com,
                    jperier at nvidia.com, kirankumartp at gmail.com,
                    llvm-bugs at lists.llvm.org, richard-llvm at metafoo.co.uk,
                    sscalpone at nvidia.com

I was surprised to find out that flang depends on clang, seemingly only for the
diagnostic engine support.  I can understand how the dependency came to be, but
I'd imagine that such dependencies between flang and clang can accidentally
grow over time.

Does it make sense to move the diagnostics engine out of clang? Should flang
have it's own diagnostics engine?

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