Before:
  int aaaaa[] = {
      1, 2,
      3, // comment
      4, 5,
      6  // comment
  };

After:
  int aaaaa[] = {
      1, 2, 3, // comment
      4, 5, 6  // comment
  };

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@242299 91177308-0d34-0410-b5e6-96231b3b80d8