Add a new expression kind, OpaqueValueExpr, which is useful for
certain internal type-checking procedures as well as for representing
certain implicitly-generated operations.  Uses to follow.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119289 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTWriterStmt.cpp b/lib/Serialization/ASTWriterStmt.cpp
index fc8e9e0..efbfd94 100644
--- a/lib/Serialization/ASTWriterStmt.cpp
+++ b/lib/Serialization/ASTWriterStmt.cpp
@@ -152,6 +152,8 @@
 
     void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E);
     void VisitCXXNoexceptExpr(CXXNoexceptExpr *E);
+
+    void VisitOpaqueValueExpr(OpaqueValueExpr *E);
   };
 }
 
@@ -1293,6 +1295,12 @@
   Code = serialization::EXPR_CXX_NOEXCEPT;
 }
 
+void ASTStmtWriter::VisitOpaqueValueExpr(OpaqueValueExpr *E) {
+  VisitExpr(E);
+  Record.push_back(E->getValueKind());
+  Code = serialization::EXPR_OPAQUE_VALUE;
+}
+
 //===----------------------------------------------------------------------===//
 // ASTWriter Implementation
 //===----------------------------------------------------------------------===//