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    Looks like it’s more useful as a test bed for helping Clang/LLVM catch up with GCC.

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      It depends on what you mean by “catch up”, my understanding is that many of the issues are nonstandard extensions, not compliance.

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        Yep its primarily the use of “gccisms” like variable length arrays not at the end of a struct. (well not VLA’s exactly but whatever, its odd to me). Which I consider a misfeature in gcc, and bad to use in the kernel anyway. Why would you write c like this anyway?

        int fn(int len) {
          struct {
             int evilincarnate[len];
             int value;
          } thing;
          return thing.value;
        }