> Hello,
>
> I use the gfortran compiler and gdb for debugging. I want to check
> arrays in subroutins like in the following example:
>
> $ cat array.f90
> program Test
>   call sub(5)
> contains
>
> subroutine sub(n)
>   integer, intent(in)   :: n
>   integer, dimension(n) :: A
>   integer               :: i
>
>   do i = 1, n
>     A(i) = i
>   end do
>   print *, A
>
> end subroutine
> end program
>
> $ gfortran -v
> Target: i486-linux-gnu
> Configuration: ../src/configure -v --enable-languages=c,c+
> +,fortran,objc,obj-c++,treelang --prefix=/usr --enable-shared --with-
> system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-
> threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.2
> --program-suffix=-4.2 --enable-clocale=gnu --enable-libstdcxx-debug --
> enable-objc-gc --enable-mpfr --enable-targets=all --enable-
> checking=release --build=i486-linux-gnu --host=i486-linux-gnu --
> target=i486-linux-gnu
> Thread-model: posix
> gcc-Version 4.2.3 (Ubuntu 4.2.3-2ubuntu7)
> $ gdb -v
> GNU gdb 6.8-debian ...
> This GDB was configured as "i486-linux-gnu".
>
> $ gfortran -g array.f90
> $ gdb -q ./a.out
> (gdb) b array.f90:13
> Breakpoint 1 at 0x80487ac: file array.f90, line 13.
> (gdb) r
> Starting program: /home/beppo/a.out
>
> Breakpoint 1, sub (n=@0x8048980) at array.f90:13
> 13        print *, A
> Current language:  auto; currently fortran
> (gdb) print A
> $1 = (PTR TO -> ( int4 (0:-1))) 0x8050398
> (gdb) print *A
> $2 = ()
>
> But, as you can see in the last line, gdb can not dereference the
> array pointer A. Perhaps it is a problem with the debug information of
> gfortran? Can anybody help me?
>
> Regards,
> Daniel.