message: Fix flexible members crash in clang 7.1
diff: @@ -88,7 +88,8 @@ typedef struct TfLiteIntArray {
  // https://github.com/google/re2/commit/b94b7cd42e9f02673cd748c1ac1d16db4052514c
  #if (!defined(__clang__) && defined(__GNUC__) && __GNUC__ == 6 && \
  __GNUC_MINOR__ >= 1) || \
  - defined(HEXAGON)
  + defined(HEXAGON) || \
  + (__clang_major__ == 7 && __clang_minor__ ==1)
  int data[0];
  #else
  int data[];
  