COMP: incorrect placement of compiler attributes

applications/test/NamedEnum/Make/files

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+Test-NamedEnum.C
+
+EXE = $(FOAM_USER_APPBIN)/Test-NamedEnum

applications/test/NamedEnum/Make/options

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+/* EXE_INC = */
+/* EXE_LIBS = */

applications/test/NamedEnum/Test-NamedEnum.C

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+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | www.openfoam.com
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+    Copyright (C) 2020 OpenCFD Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+    Testing of NamedEnum.
+    The class is deprecated, but we may still need to support it for things
+    like swak4Foam etc.
+
+\*---------------------------------------------------------------------------*/
+
+#include "NamedEnum.H"
+#include "FlatOutput.H"
+
+// Expect compile-time warnings
+
+using namespace Foam;
+
+struct testing
+{
+    enum class option { A, B, C, D };
+
+    static const Foam::NamedEnum<option, 4> option1Names;
+};
+
+
+// All names - we have no choice with NamedEnum
+template<>
+const char* Foam::NamedEnum<testing::option, 4>::names[] =
+{
+    "a",
+    "b",
+    "c",
+    "d"
+};
+
+
+const Foam::NamedEnum<testing::option, 4> testing::option1Names;
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+// Main program:
+
+int main(int argc, char *argv[])
+{
+    Info<< "Enum 1" << nl
+        << "    names:  " << testing::option1Names << nl
+        << "    values: " << flatOutput(testing::option1Names.values())
+        << nl << nl;
+
+    Info<< nl
+        << int(testing::option1Names["a"]) << nl
+        << testing::option1Names[testing::option::A] << nl;
+
+    Info<< "\nEnd\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //