939699a9cf
Estimated: adds ~500ms of latency per code space page allocation. TEST=manually Change-Id: I31bc1927fd9a775c312974a1c435d29c875d01eb Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/412281 Reviewed-by: Siva Annamalai <asiva@google.com> Commit-Queue: Slava Egorov <vegorov@google.com>