Teach RetainCountChecker that it doesn't quite understand pthread_setspecific and it should just give up when it sees it. Fixes <rdar://problem/11282706>.

llvm-svn: 155613

1 files changed, 14 insertions, 0 deletions

diff --git a/clang/test/Analysis/retain-release.m b/clang/test/Analysis/retain-release.m
index 06c510e5dd3..3aa2656c62f 100644
--- a/clang/test/Analysis/retain-release.m
+++ b/clang/test/Analysis/retain-release.m
@@ -1055,10 +1055,14 @@ typedef struct _opaque_pthread_t *__darwin_pthread_t;
 typedef struct _opaque_pthread_attr_t __darwin_pthread_attr_t;
 typedef __darwin_pthread_t pthread_t;
 typedef __darwin_pthread_attr_t pthread_attr_t;
+typedef unsigned long __darwin_pthread_key_t;
+typedef __darwin_pthread_key_t pthread_key_t;
 
 int pthread_create(pthread_t *, const pthread_attr_t *,
                    void *(*)(void *), void *);
 
+int pthread_setspecific(pthread_key_t key, const void *value);
+
 void *rdar_7299394_start_routine(void *p) {
   [((id) p) release];
   return 0;
@@ -1072,6 +1076,16 @@ void rdar_7299394_positive(pthread_attr_t *attr, pthread_t *thread) {
 }
 
 //===----------------------------------------------------------------------===//
+// <rdar://problem/11282706> false positive with not understanding thread
+// local storage
+//===----------------------------------------------------------------------===//
+
+void rdar11282706(pthread_key_t key) {
+  NSNumber *number = [[NSNumber alloc] initWithInt:5]; // no-warning
+  pthread_setspecific(key, (void*) number);
+}
+
+//===----------------------------------------------------------------------===//
 // <rdar://problem/7283567> False leak associated with call to 
 //                          CVPixelBufferCreateWithBytes ()
 //