Johnni Winther
3c83032c60
+ some additional changes needed for sound null safety Change-Id: Icab02486109b38b6dec269a65d705126efa88622 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/195517 Reviewed-by: Jens Johansen <jensj@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>
Conversion to a textual format.
The text format is currently very ad-hoc and there is no conversion back, but it's a pleasant way to view the IR.