https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88467
--- Comment #1 from G. Steinmetz <gs...@t-online.de> --- Detected, as noted in pr88116 comment 5 : $ cat z4.f90 program p print *, [integer :: 1, [integer(4) :: 2, '3']] end $ gfortran-9-20181209 -c z4.f90 z4.f90:2:44: 2 | print *, [integer :: 1, [integer(4) :: 2, '3']] | 1 Error: Can't convert CHARACTER(1) to INTEGER(4) at (1) And also : $ cat z8.f90 program p print *, [integer(8) :: 1, [integer(8) :: 2, '3']] end $ gfortran-9-20181209 -c z8.f90 z8.f90:2:47: 2 | print *, [integer(8) :: 1, [integer(8) :: 2, '3']] | 1 Error: Can't convert CHARACTER(1) to INTEGER(8) at (1)