Index: lib/Driver/ToolChains.cpp
===================================================================
--- lib/Driver/ToolChains.cpp	(revision 141528)
+++ lib/Driver/ToolChains.cpp	(working copy)
@@ -926,9 +926,9 @@
             << "iOS 5.0";
         }
       } else {
-        if (isMacosxVersionLT(10, 7)) {
+        if (isMacosxVersionLT(10, 6)) {
           getDriver().Diag(clang::diag::err_drv_invalid_libcxx_deployment)
-            << "Mac OS X 10.7";
+            << "Mac OS X 10.6";
         }
       }
       break;