4a56f7b360
Casts for function types got moved off of the generic path, and hence are missing the memo cache. Added a second function type cast cache. Fixes #31392 Bug: Change-Id: Ie1b87adf630f5059b57d01956778f5adde0533fc Reviewed-on: https://dart-review.googlesource.com/21525 Reviewed-by: Vijay Menon <vsm@google.com>