Implement C++ 'typeid' parsing and sema.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59042 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/StmtSerialization.cpp b/lib/AST/StmtSerialization.cpp
index 09aacef..3982881 100644
--- a/lib/AST/StmtSerialization.cpp
+++ b/lib/AST/StmtSerialization.cpp
@@ -216,6 +216,9 @@
     case CXXConstCastExprClass:
       return CXXConstCastExpr::CreateImpl(D, C, SC);
 
+    case CXXTypeidExprClass:
+      return CXXTypeidExpr::CreateImpl(D, C);
+
     case CXXThisExprClass:
       return CXXThisExpr::CreateImpl(D, C);
 
@@ -1346,6 +1349,31 @@
   }
 }
 
+void CXXTypeidExpr::EmitImpl(llvm::Serializer& S) const {
+  S.Emit(getType());
+  S.Emit(isTypeOperand());
+  if (isTypeOperand()) {
+    S.Emit(getTypeOperand());
+  } else {
+    S.EmitOwnedPtr(getExprOperand());
+  }
+  S.Emit(Range);
+}
+
+CXXTypeidExpr*
+CXXTypeidExpr::CreateImpl(llvm::Deserializer& D, ASTContext& C) {
+  QualType Ty = QualType::ReadVal(D);
+  bool isTypeOp = D.ReadBool();
+  void *Operand;
+  if (isTypeOp) {
+    Operand = QualType::ReadVal(D).getAsOpaquePtr();
+  } else {
+    Operand = D.ReadOwnedPtr<Expr>(C);
+  }
+  SourceRange Range = SourceRange::ReadVal(D);
+  return new CXXTypeidExpr(isTypeOp, Operand, Ty, Range);
+}
+
 void CXXThisExpr::EmitImpl(llvm::Serializer& S) const {
   S.Emit(getType());
   S.Emit(Loc);