INQUIRE does not recognize file mode bits

Using:

OS: Linux 4.16.13-300.fc28.x86_64 #1 SMP Wed May 30 14:31:00 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux (Fedora 28)

Shell: GNU bash, version 4.4.19(1)-release (x86_64-redhat-linux-gnu)

Compiler: Intel(R) Fortran Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 18.0.2.199 Build 20180210

The INQUIRE statement is not recognizing the file mode bits for this combination of OS/shell/compiler.

Consider the simple test which get info about two data files: temp.dat and temp_ro.dat; the first with rw attributes and the second read-only:

-rw-r--r--. 1 rudi plasmas     18 abr 11 17:33 temp.dat
-r--r--r--. 1 rudi plasmas     18 jun  5 11:55 temp_ro.dat

Accessed with the following code:

program tes_inquire_2
implicit none
logical :: fexist, fopen
character(len= *), parameter :: file_exist=  'temp.dat'        ! Existing file 
character(len= *), parameter :: file_ro=     'temp_ro.dat'     ! Existing file, with read-only attribute
character(len= 30) :: fcread, fcwrite, fcrw
integer :: ios

! Existing file, with rw attributes
inquire(file= file_exist, exist= fexist, opened= fopen, iostat= ios, &
        read= fcread, write= fcwrite, readwrite= fcrw)
print'(a,/,2a)', '----------------------------------', 'About file '//file_exist//':'
write(*, '(a,g0)')'File exist(?): ', fexist
write(*, '(a,g0)')'File is opened(?): ', fopen
write(*, '(2a)')'File can be opened for read only(?):  ', trim(fcread)
write(*, '(2a)')'File can be opened for write only(?): ', trim(fcwrite)
write(*, '(2a)')'File can be opened for read/write(?): ', trim(fcrw)
write(*, '(a,g0)')'iostatus= ', ios

! Existing file, with read-only attribute
inquire(file= file_ro, exist= fexist, opened= fopen, iostat= ios, &
        read= fcread, write= fcwrite, readwrite= fcrw)
print'(/,a,/,2a)', '----------------------------------', 'About file '//file_ro//':'
write(*, '(a,g0)')'File exist(?): ', fexist
write(*, '(a,g0)')'File is opened(?): ', fopen
write(*, '(2a)')'File can be opened for read only(?):  ', trim(fcread)
write(*, '(2a)')'File can be opened for write only(?): ', trim(fcwrite)
write(*, '(2a)')'File can be opened for read/write(?): ', trim(fcrw)
write(*, '(a,g0)')'iostatus= ', ios

end program tes_inquire_2

Compiling and running with ifort:

>ifort tes_inquire_2.f90
>./a.out
----------------------------------
About file temp.dat:
File exist(?): T
File is opened(?): F
File can be opened for read only(?):  UNKNOWN
File can be opened for write only(?): UNKNOWN
File can be opened for read/write(?): UNKNOWN
iostatus= 0

----------------------------------
About file temp_ro.dat:
File exist(?): T
File is opened(?): F
File can be opened for read only(?):  UNKNOWN
File can be opened for write only(?): UNKNOWN
File can be opened for read/write(?): UNKNOWN
iostatus= 0

OTOH, gfortran will reply the correct attributes:

>gfortran tes_inquire_2.f90
>./a.out
----------------------------------
About file temp.dat:
File exist(?): T
File is opened(?): F
File can be opened for read only(?):  YES
File can be opened for write only(?): YES
File can be opened for read/write(?): YES
iostatus= 0

----------------------------------
About file temp_ro.dat:
File exist(?): T
File is opened(?): F
File can be opened for read only(?):  YES
File can be opened for write only(?): NO
File can be opened for read/write(?): YES
iostatus= 0

I could not find any relevant compiler option for ifort, after a quick look at the manual...

Is this the expected behavior?