diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp
index a0faf84..f3b281b 100644
--- a/clang/lib/Sema/SemaDeclAttr.cpp
+++ b/clang/lib/Sema/SemaDeclAttr.cpp
@@ -7733,7 +7733,7 @@
 
   bool VisitObjCAvailabilityCheckExpr(ObjCAvailabilityCheckExpr *E) {
     SemaRef.Diag(E->getBeginLoc(), diag::warn_at_available_unchecked_use)
-        << (!SemaRef.getLangOpts().ObjC1);
+        << (!SemaRef.getLangOpts().ObjC);
     return true;
   }
 
@@ -7788,8 +7788,8 @@
     auto FixitDiag =
         SemaRef.Diag(Range.getBegin(), diag::note_unguarded_available_silence)
         << Range << D
-        << (SemaRef.getLangOpts().ObjC1 ? /*@available*/ 0
-                                        : /*__builtin_available*/ 1);
+        << (SemaRef.getLangOpts().ObjC ? /*@available*/ 0
+                                       : /*__builtin_available*/ 1);
 
     // Find the statement which should be enclosed in the if @available check.
     if (StmtStack.empty())
@@ -7833,8 +7833,8 @@
     const char *ExtraIndentation = "    ";
     std::string FixItString;
     llvm::raw_string_ostream FixItOS(FixItString);
-    FixItOS << "if (" << (SemaRef.getLangOpts().ObjC1 ? "@available"
-                                                      : "__builtin_available")
+    FixItOS << "if (" << (SemaRef.getLangOpts().ObjC ? "@available"
+                                                     : "__builtin_available")
             << "("
             << AvailabilityAttr::getPlatformNameSourceSpelling(
                    SemaRef.getASTContext().getTargetInfo().getPlatformName())