e70dec4e82
This change adds all necessary support for allocation sinking and materialization of record instances. TEST=vm/cc/AllocationSinking_Records Issue: https://github.com/dart-lang/sdk/issues/49719 Change-Id: I040ce8b1ed3220f87a767b590050de3e50573170 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/265380 Reviewed-by: Ryan Macnak <rmacnak@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com> Reviewed-by: Slava Egorov <vegorov@google.com>