Implement #pragma GCC visibility.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110315 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index d5750a1..b2fd984 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -2106,6 +2106,7 @@
     case attr::Visibility:
       // FIXME: stable encoding
       Record.push_back(cast<VisibilityAttr>(Attr)->getVisibility());
+      Record.push_back(cast<VisibilityAttr>(Attr)->isFromPragma());
       break;
 
     case attr::WarnUnusedResult: