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.

llvm-svn: 119289

1 files changed, 3 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/Mangle.cpp b/clang/lib/CodeGen/Mangle.cpp
index 1b7cfa1c8ce..83d43ebb8ff 100644
--- a/clang/lib/CodeGen/Mangle.cpp
+++ b/clang/lib/CodeGen/Mangle.cpp
@@ -1681,6 +1681,9 @@ void CXXNameMangler::mangleExpression(const Expr *E, unsigned Arity) {
     break;
   }
 
+  case Expr::OpaqueValueExprClass:
+    llvm_unreachable("cannot mangle opaque value; mangling wrong thing?");
+
   case Expr::CXXDefaultArgExprClass:
     mangleExpression(cast<CXXDefaultArgExpr>(E)->getExpr(), Arity);
     break;