--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flang/lib/Semantics/pointer-assignment.h	Mon May 25 11:55:54 2020 +0900
@@ -0,0 +1,39 @@
+//===-- lib/Semantics/pointer-assignment.h --------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef FORTRAN_SEMANTICS_POINTER_ASSIGNMENT_H_
+#define FORTRAN_SEMANTICS_POINTER_ASSIGNMENT_H_
+
+#include "flang/Evaluate/expression.h"
+#include "flang/Parser/char-block.h"
+#include "flang/Semantics/type.h"
+#include <string>
+
+namespace Fortran::evaluate::characteristics {
+struct DummyDataObject;
+}
+
+namespace Fortran::evaluate {
+class FoldingContext;
+}
+
+namespace Fortran::semantics {
+
+class Symbol;
+
+void CheckPointerAssignment(
+    evaluate::FoldingContext &, const evaluate::Assignment &);
+void CheckPointerAssignment(
+    evaluate::FoldingContext &, const Symbol &lhs, const SomeExpr &rhs);
+void CheckPointerAssignment(evaluate::FoldingContext &,
+    parser::CharBlock source, const std::string &description,
+    const evaluate::characteristics::DummyDataObject &, const SomeExpr &rhs);
+
+} // namespace Fortran::semantics
+
+#endif // FORTRAN_SEMANTICS_POINTER_ASSIGNMENT_H_