1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 5cdb36f16b..5dc63e79cf 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -218,6 +218,12 @@ public:
     return "__TEXT,__StaticInit,regular,pure_instructions";
   }
 
+  /// Darwin does not support protected visibility.  Darwin's "default"
+  /// is very similar to ELF's "protected";  Darwin requires a "weak"
+  /// attribute on declarations that can be dynamically replaced.
+  virtual bool hasProtectedVisibility() const {
+    return false;
+  }
 };