Fixes a crash when SetObjectTypeAndName is called twice for the
same object id with different types.
Don't add Code objects to the profile for non-Code carrying snapshots,
as references to the Code object are replaced with references to null.
TEST=vm/dart{_2}/v8_snapshot_profile_writer_test
Bug: https://github.com/dart-lang/sdk/issues/47463
Cq-Include-Trybots: luci.dart.try:vm-kernel-precomp-nnbd-linux-release-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-linux-product-x64-try,vm-kernel-precomp-linux-release-x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try
Change-Id: Id9abf66509d422551ad5797744265eeb2c2ba2b5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/217643
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Tess Strickland <sstrickl@google.com>
Tess Strickland
8debbd0725