[vm] Lower smi value used for setting identity hash codes In 64-bit with compressed pointers enabled, we still store identity hashes in the object header, but the Smi range is reduced. The 0xffffffff is a Smi in 64-bit architectures, but not if compressed-pointers are enabled. This updates the test to use the same maximum value as the corelibraries could use when setting the identity hash code. TEST=Fixes vm/cc/AsmIntrinsifier_SetHashIfNotSetYet in compressed-pointers mode Change-Id: I285a28127767a6a0b606354f3e3f994a15b372b5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/202480 Reviewed-by: Ryan Macnak <rmacnak@google.com> Commit-Queue: Martin Kustermann <kustermann@google.com>
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