[region-isolation] Ignore deinit_existential_{addr,value}. They do not matter from a region perspective.

Author: gottesmm

lib/SILOptimizer/Analysis/RegionAnalysis.cpp

@@ -2344,6 +2344,8 @@ CONSTANT_TRANSLATION(DeallocRefInst, Ignored)
 CONSTANT_TRANSLATION(DeallocStackInst, Ignored)
 CONSTANT_TRANSLATION(DeallocStackRefInst, Ignored)
 CONSTANT_TRANSLATION(DebugValueInst, Ignored)
+CONSTANT_TRANSLATION(DeinitExistentialAddrInst, Ignored)
+CONSTANT_TRANSLATION(DeinitExistentialValueInst, Ignored)
 CONSTANT_TRANSLATION(DestroyAddrInst, Ignored)
 CONSTANT_TRANSLATION(DestroyValueInst, Ignored)
 CONSTANT_TRANSLATION(EndAccessInst, Ignored)
@@ -2454,10 +2456,7 @@ CONSTANT_TRANSLATION(AssignOrInitInst, Unhandled)
 CONSTANT_TRANSLATION(MarkFunctionEscapeInst, Unhandled)
 CONSTANT_TRANSLATION(TestSpecificationInst, Unhandled)
 CONSTANT_TRANSLATION(StoreUnownedInst, Unhandled)
-CONSTANT_TRANSLATION(DeinitExistentialAddrInst, Unhandled)
 CONSTANT_TRANSLATION(PackElementSetInst, Unhandled)
-CONSTANT_TRANSLATION(DeinitExistentialValueInst, Unhandled)
-CONSTANT_TRANSLATION(UnconditionalCheckedCastAddrInst, Unhandled)
 
 //===---
 // Apply