There are several tests (most of them under GC\Scenarios\DoublinkList) that fail because STRESS_REGIONS pins arbitrary objects and thus keeps them alive, and thus these objects are not finalized.
Let's disable STRESS_REGIONS in the checked-in source code, but investigate whether there are any failures with STRESS_REGIONS that are real issues.
// + creates some pins on our own
// + creates some ro segs
// We can add more mechanisms here.
-#define STRESS_REGIONS
+//#define STRESS_REGIONS
#endif //USE_REGIONS
// FEATURE_STRUCTALIGN was added by Midori. In CLR we are not interested