https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85798
--- Comment #1 from G. Steinmetz <gs...@t-online.de> --- For comparison : $ cat z2.f90 program p integer, allocatable :: a(:) data a(1) / 789 / end $ gfortran-9-20180513 -c z2.f90 z2.f90:3:7: data a(1) / 789 / 1 Error: DATA attribute conflicts with ALLOCATABLE attribute in 'a' at (1)