Thread Safety Analysis: turn off checking within trylock functions.

llvm-svn: 159601
diff --git a/clang/lib/Analysis/ThreadSafety.cpp b/clang/lib/Analysis/ThreadSafety.cpp
index fd4551b..7406f32 100644
--- a/clang/lib/Analysis/ThreadSafety.cpp
+++ b/clang/lib/Analysis/ThreadSafety.cpp
@@ -1654,6 +1654,12 @@
       } else if (isa<SharedLockFunctionAttr>(Attr)) {
         // Don't try to check lock functions for now
         return;
+      } else if (isa<ExclusiveTrylockFunctionAttr>(Attr)) {
+        // Don't try to check trylock functions for now
+        return;
+      } else if (isa<SharedTrylockFunctionAttr>(Attr)) {
+        // Don't try to check trylock functions for now
+        return;
       }
     }
   }