Disable access control by default. It can be enabled with the -faccess-control option. When we have better support for it, we can enable it by default again.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71706 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index ab7ad04..25415bb 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -1520,6 +1520,7 @@
   PARSE_LANGOPT_IMPORTANT(PICLevel, diag::warn_pch_pic_level);
   PARSE_LANGOPT_IMPORTANT(GNUInline, diag::warn_pch_gnu_inline);
   PARSE_LANGOPT_IMPORTANT(NoInline, diag::warn_pch_no_inline);
+  PARSE_LANGOPT_IMPORTANT(AccessControl, diag::warn_pch_access_control);
   if ((LangOpts.getGCMode() != 0) != (Record[Idx] != 0)) {
     Diag(diag::warn_pch_gc_mode) 
       << (unsigned)Record[Idx] << LangOpts.getGCMode();
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index e05a735..8838254 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -546,6 +546,8 @@
   Record.push_back(LangOpts.GNUInline); // Should GNU inline semantics be
                                   // used (instead of C99 semantics).
   Record.push_back(LangOpts.NoInline); // Should __NO_INLINE__ be defined.
+  Record.push_back(LangOpts.AccessControl); // Whether C++ access control should
+                                            // be enabled.
   Record.push_back(LangOpts.getGCMode());
   Record.push_back(LangOpts.getVisibilityMode());
   Record.push_back(LangOpts.InstantiationDepth);