Make the top-level driver ignore -fobjc-default-synthesize-properties while this feature undergoes more review and development.  This is still available as a -cc1 option for testing.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130424 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 2e74e27..5fb4b78 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1705,12 +1705,18 @@
       }
     }
 
+    // FIXME: Don't expose -fobjc-default-synthesize-properties as a top-level
+    // driver flag yet.  This feature is still under active development
+    // and shouldn't be exposed as a user visible feature (which may change).
+    // Clang still supports this as a -cc1 option for development and testing.
+#if 0
     // -fobjc-default-synthesize-properties=0 is default.
     if (Args.hasFlag(options::OPT_fobjc_default_synthesize_properties,
                      options::OPT_fno_objc_default_synthesize_properties,
                      getToolChain().IsObjCDefaultSynthPropertiesDefault())) {
       CmdArgs.push_back("-fobjc-default-synthesize-properties");
     }
+#endif
   }
 
   if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,