e09249f97d
This code worked around bugs in how TypeMasks were generated 4+ years ago. Now subtype cones are generated from the least upper bound of instantiated subtypes, resulting in TypeMasks that are no longer disjoint for 'double' and 'int'. Change-Id: I7189c4447f2c41db7abb7a0ea1240eca6e28aa7f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/159000 Reviewed-by: Mayank Patke <fishythefish@google.com> Commit-Queue: Stephen Adams <sra@google.com>