194951a41f
The library name cache is dead.
The library exported name cache is used indirectly through Dart_Invoke etc, and is practically only used for one-shot lookups like `main` or the embedder's startup hooks. The lookups that were worth caching now happen in the Dart frontend instead of the VM.
Cf. b9045af57b
TEST=ci
Change-Id: Ibd8bd30fbba3e9af32e3fbf3c5c4ced51a8d15d7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/324401
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>