[vm] Check prefix.loadLibrary is called and returns before prefix members are used.

Not loading is actually deferred.

Bug: https://github.com/dart-lang/sdk/issues/41974
Change-Id: I62688007bd36dbcb2e8ffb4a1fd2dceb1775b1c8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149053
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>

https://dart.googlesource.com/sdk/+/f049a410e5de6fbf6745606cf59735047bfadf4a
1 file changed
tree: 400ff49662291638ec03e4150c02dec25bc8a7f0
  1. commits.json