Two runs needed to format with awkward comment

[davidmorgan]

This code

class AaaaAaaaAaaaAaaaaaaaAaaaaaaa {
  @aaaaaaaa
  AaaaaAaaaAaaaAaaaaaaa get aaaaAaaaAaaaaaaa => aaaaaaaaAaaaaaaaaAaaaaa
      ? (AaaaaaaaaAaaAaaaaaaa()
        // AAA/Aaaaa aaaaaaaaa aaaaaaaa aaaa AAAAAAAA aaaaaaaaa aaaaaa aaaaaaaa.
        ..aaaaAaaaaaaaaAaaaaaAaagetaaa =
            AaaaAaaaaaaaaAaaaaaAaagetaaa.aaaaAaaaaa(aaaaaaaa: [
          AaaaaaaaAaaaaaa()..aaaaaaaa = AaaaaaaaAA_Aaaaaaaa.AAAAA,
        ], aaaaaaAaaaaa: [
          AaaaaaAaaaaaAaaaaaa()
            ..aaaaaaAaaaaa = AaaaaaAaaaaa.AAAAAA_AAAAAAAAAA_AAAAAA,
          AaaaaaAaaaaaAaaaaaa()..aaaaaaAaaaaa = AaaaaaAaaaaa.AAAAAA_AAAA_AAAAAAA
        ]))
      : AaaaAaaaaaaAaaaaaaAaaaaaaa();
}

is only fully formatted after two formatter runs:

dartfmt t.dart > t1.dart; dartfmt t1.dart > t2.dart; diff t1.dart t2.dart
5c5
<           ? (AaaaaaaaaAaaAaaaaaaa()// AAA/Aaaaa aaaaaaaaa aaaaaaaa aaaa AAAAAAAA aaaaaaaaa aaaaaa aaaaaaaa.
---
>           ? (AaaaaaaaaAaaAaaaaaaa() // AAA/Aaaaa aaaaaaaaa aaaaaaaa aaaa AAAAAAAA aaaaaaaaa aaaaaa aaaaaaaa.

[munificent]

Ah, interesting! The formatter intends to be idempotent. Multiple runs shouldn't make any changes after the first format, so this is definitely a bug.