Index: include/clang/StaticAnalyzer/Checkers/Checkers.td
===================================================================
--- include/clang/StaticAnalyzer/Checkers/Checkers.td
+++ include/clang/StaticAnalyzer/Checkers/Checkers.td
@@ -610,12 +610,12 @@
 
 } // end "osx.cocoa"
 
-let ParentPackage = OSXAlpha in {
+let ParentPackage = Performance in {
 
 def GCDAsyncSemaphoreChecker : Checker<"GCDAsyncSemaphore">,
   HelpText<"Checker for performance anti-pattern when using semaphors from async API">,
   DescFile<"GCDAsyncSemaphoreChecker.cpp">;
-} // end "alpha.osx"
+} // end "optin.performance"
 
 let ParentPackage = CocoaAlpha in {
 
Index: test/Analysis/gcdasyncsemaphorechecker_test.m
===================================================================
--- test/Analysis/gcdasyncsemaphorechecker_test.m
+++ test/Analysis/gcdasyncsemaphorechecker_test.m
@@ -1,4 +1,4 @@
-// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.osx.GCDAsyncSemaphore %s -fblocks -verify
+// RUN: %clang_analyze_cc1 -analyzer-checker=core,optin.performance.GCDAsyncSemaphore %s -fblocks -verify
 typedef signed char BOOL;
 @protocol NSObject  - (BOOL)isEqual:(id)object; @end
 @interface NSObject <NSObject> {}