gcc/testsuite/gfortran.dg/gomp/ompx-1.f90 - gcc - Git at Google

 !$ompx foo  ! { dg-warning "!.OMP at .1. starts a commented line as it neither is followed by a space nor is a continuation line" }
 end
	!$ompx foo ! { dg-warning "!.OMP at .1. starts a commented line as it neither is followed by a space nor is a continuation line" }
	end