SILGen: Stop using AvailabilityInference in SILGenConcurrency.cpp.

NFC.

Author: tshortli

lib/SILGen/SILGenConcurrency.cpp

@@ -15,7 +15,7 @@
 #include "RValue.h"
 #include "Scope.h"
 #include "swift/AST/ASTContext.h"
-#include "swift/AST/AvailabilityInference.h"
+#include "swift/AST/AvailabilityContext.h"
 #include "swift/AST/ConformanceLookup.h"
 #include "swift/AST/DistributedDecl.h"
 #include "swift/AST/ProtocolConformance.h"
@@ -778,9 +778,9 @@ static bool isCheckExpectedExecutorIntrinsicAvailable(SILGenModule &SGM) {
   // in main-actor context.
   auto &C = checkExecutor->getASTContext();
   if (!C.LangOpts.DisableAvailabilityChecking) {
-    auto deploymentAvailability = AvailabilityRange::forDeploymentTarget(C);
+    auto deploymentAvailability = AvailabilityContext::forDeploymentTarget(C);
     auto declAvailability =
-        AvailabilityInference::availableRange(checkExecutor);
+        AvailabilityContext::forDeclSignature(checkExecutor);
     return deploymentAvailability.isContainedIn(declAvailability);
   }