Support UnresolvedLookupExpr for PCH.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106832 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Frontend/PCHBitCodes.h b/include/clang/Frontend/PCHBitCodes.h
index eda0fa1..fb7da77 100644
--- a/include/clang/Frontend/PCHBitCodes.h
+++ b/include/clang/Frontend/PCHBitCodes.h
@@ -771,7 +771,8 @@
       
       EXPR_CXX_DEPENDENT_SCOPE_MEMBER, // CXXDependentScopeMemberExpr
       EXPR_CXX_UNRESOLVED_CONSTRUCT, // CXXUnresolvedConstructExpr
-      EXPR_CXX_UNRESOLVED_MEMBER     // UnresolvedMemberExpr
+      EXPR_CXX_UNRESOLVED_MEMBER,    // UnresolvedMemberExpr
+      EXPR_CXX_UNRESOLVED_LOOKUP     // UnresolvedLookupExpr
     };
 
     /// \brief The kinds of designators that can occur in a