robert manuszewski b5e73242e3 Experimental support for Incremental Reachability Analysis (second attempt) ...

Disabled by default. gc.AllowIncrementalReachability controls if it's enabled or not.
gc.IncrementalReachabilityTimeLimit controls time limit (defaults to 0.005 = 5ms)
gc.VerifyNoUnrachableObjects (defaults to 0) controls additional GC assumption verification that no unreachable objects are reachable after RA is complete
gc.ContinuousIncrementalGC (defaults to 0) is a new GC stress test that runs incremental GC continuously
TObjectPtr barrier (Obj->MarkAsReachable()) is also currently disabled (compiled out with a macro) until we have all the places (ARO/BPVM) properly running barriers
EngineTest tests can and will run Incremental Reachability Analysis tests even if all the above is disabled

#rb Johan.Torp, Zousar.Shaker

[CL 26252569 by robert manuszewski in ue5-main branch]

2023-06-27 01:44:30 -04:00

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