Revert "Don't set HasPotentialFeatureAvailabilityViolations in ActOnLabelStmt"

This reverts commit e5e6004.

Author: compnerd

clang/lib/Sema/SemaExprObjC.cpp

@@ -5154,8 +5154,6 @@ ExprResult SemaObjC::ActOnObjCAvailabilityCheckExpr(
   ASTContext &Context = getASTContext();
 
   if (AvailSpecs.front().isDomainName()) {
-    if (FunctionScopeInfo *Info = SemaRef.getCurFunctionAvailabilityContext())
-      Info->HasPotentialFeatureAvailabilityViolations = true;
     auto Spec = AvailSpecs.front();
     return ObjCAvailabilityCheckExpr::CreateAvailabilityFeatureCheck(
         AtLoc, RParen, Context.BoolTy, Spec.getDomainName(), Context);

clang/lib/Sema/SemaStmt.cpp

@@ -602,6 +602,9 @@ Sema::ActOnLabelStmt(SourceLocation IdentLoc, LabelDecl *TheDecl,
     }
   }
 
+  if (FunctionScopeInfo *Info = getCurFunctionAvailabilityContext())
+    Info->HasPotentialFeatureAvailabilityViolations = true;
+
   return LS;
 }