diff --git a/clang/lib/StaticAnalyzer/Checkers/ErrnoModeling.cpp b/clang/lib/StaticAnalyzer/Checkers/ErrnoModeling.cpp
--- a/clang/lib/StaticAnalyzer/Checkers/ErrnoModeling.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/ErrnoModeling.cpp
@@ -68,13 +68,7 @@
 
 /// Store a MemRegion that contains the 'errno' integer value.
 /// The value is null if the 'errno' value was not recognized in the AST.
-REGISTER_TRAIT_WITH_PROGRAMSTATE(ErrnoRegion, const void *)
-
-/// An internal function accessing the errno region.
-/// Returns null if there isn't any associated memory region.
-static const MemRegion *getErrnoRegion(ProgramStateRef State) {
-  return reinterpret_cast<const MemRegion *>(State->get<ErrnoRegion>());
-}
+REGISTER_TRAIT_WITH_PROGRAMSTATE(ErrnoRegion, const MemRegion *)
 
 /// Search for a variable called "errno" in the AST.
 /// Return nullptr if not found.
@@ -185,7 +179,7 @@
   if (ErrnoLocationCalls.contains(Call)) {
     ProgramStateRef State = C.getState();
 
-    const MemRegion *ErrnoR = getErrnoRegion(State);
+    const MemRegion *ErrnoR = State->get<ErrnoRegion>();
     if (!ErrnoR)
       return false;
 
@@ -201,7 +195,7 @@
 void ErrnoModeling::checkLiveSymbols(ProgramStateRef State,
                                      SymbolReaper &SR) const {
   // The special errno region should never garbage collected.
-  if (const auto *ErrnoR = getErrnoRegion(State))
+  if (const MemRegion *ErrnoR = State->get<ErrnoRegion>())
     SR.markLive(ErrnoR);
 }
 
@@ -210,7 +204,7 @@
 namespace errno_modeling {
 
 Optional<SVal> getErrnoValue(ProgramStateRef State) {
-  const MemRegion *ErrnoR = getErrnoRegion(State);
+  const MemRegion *ErrnoR = State->get<ErrnoRegion>();
   if (!ErrnoR)
     return {};
   QualType IntTy = State->getAnalysisManager().getASTContext().IntTy;
@@ -219,7 +213,7 @@
 
 ProgramStateRef setErrnoValue(ProgramStateRef State,
                               const LocationContext *LCtx, SVal Value) {
-  const MemRegion *ErrnoR = getErrnoRegion(State);
+  const MemRegion *ErrnoR = State->get<ErrnoRegion>();
   if (!ErrnoR)
     return State;
   return State->bindLoc(loc::MemRegionVal{ErrnoR}, Value, LCtx);
@@ -227,7 +221,7 @@
 
 ProgramStateRef setErrnoValue(ProgramStateRef State, CheckerContext &C,
                               uint64_t Value) {
-  const MemRegion *ErrnoR = getErrnoRegion(State);
+  const MemRegion *ErrnoR = State->get<ErrnoRegion>();
   if (!ErrnoR)
     return State;
   return State->bindLoc(
diff --git a/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp
--- a/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp
@@ -101,7 +101,7 @@
 /// 'self' contains. This keeps the "self flags" assigned to the 'self'
 /// object before the call so we can assign them to the new object that 'self'
 /// points to after the call.
-REGISTER_TRAIT_WITH_PROGRAMSTATE(PreCallSelfFlags, unsigned)
+REGISTER_TRAIT_WITH_PROGRAMSTATE(PreCallSelfFlags, SelfFlagEnum)
 
 static SelfFlagEnum getSelfFlags(SVal val, ProgramStateRef state) {
   if (SymbolRef sym = val.getAsSymbol())
@@ -251,11 +251,12 @@
   for (unsigned i = 0; i < NumArgs; ++i) {
     SVal argV = CE.getArgSVal(i);
     if (isSelfVar(argV, C)) {
-      unsigned selfFlags = getSelfFlags(state->getSVal(argV.castAs<Loc>()), C);
+      SelfFlagEnum selfFlags =
+          getSelfFlags(state->getSVal(argV.castAs<Loc>()), C);
       C.addTransition(state->set<PreCallSelfFlags>(selfFlags));
       return;
     } else if (hasSelfFlag(argV, SelfFlag_Self, C)) {
-      unsigned selfFlags = getSelfFlags(argV, C);
+      SelfFlagEnum selfFlags = getSelfFlags(argV, C);
       C.addTransition(state->set<PreCallSelfFlags>(selfFlags));
       return;
     }