gromacs/gmxpreprocess/readir.c:2436: bad if statement ?
gromacs/gmxpreprocess/readir.c:2436:49: warning: logical 'and' of mutually exclusive tests is always false [-Wlogical-op]
((opts->couple_lam0 == ecouplamVDW && opts->couple_lam0 == ecouplamVDWQ) || (opts->couple_lam1 == ecouplamVDWQ && opts->couple_lam1 == ecouplamVDW)))
Update reference warnings for new grompp check
The simple FE setup is one that we think is used often, and there the
warning is useful, and the test setups invoke such a setup, so we may
as well ensure that the tests check that that warning works.