NAG ctest failure for fckit_test_shared_ptr

[DJDavies2]

What happened?

fckit_test_shared_ptr is failing with NAG like so:

/data/scratch/david.davies/cylc-run/mo-bundle-415/share/mo-bundle/fckit/src/tests/test_shared_ptr.F90:816: warning: FCTEST_CHECK_EQUAL( cxx_destructor_called(), 2 )
--> [ 0 != 2 ]
/data/scratch/david.davies/cylc-run/mo-bundle-415/share/mo-bundle/fckit/src/tests/test_shared_ptr.F90:817: warning: FCTEST_CHECK_EQUAL( cxx_destructor_called_after_scope(), 2 )
--> [ 0 != 2 ]

What are the steps to reproduce the bug?

Build and run with NAG.

Version

develop

Platform (OS and architecture)

Linux

Relevant log output

Accompanying data

No response

Organisation

Met Office