[Bug fortran/33954] gfortran: incorrect output for array of dynamic bounds

[hailijuan at gmail dot com]

------- Comment #8 from hailijuan at gmail dot com  2007-10-31 07:18 -------
Subject: Re:  gfortran: incorrect output for array of dynamic bounds

running a.out compiled with -fbounds-check and then get following message:
micro# ./a.out
Fortran runtime error: Array reference out of bounds for array 'a',
lower bound of dimension 2 exceeded (in file 'd.f90', at line 6)

I have to say the testcase has been really confusing me. Anyway,
thanks for your good explanation. Appreciate it.

31 Oct 2007 06:50:39 -0000, kargl at gcc dot gnu dot org
<gcc-bugzilla@gcc.gnu.org>:
>
>
> ------- Comment #7 from kargl at gcc dot gnu dot org  2007-10-31 06:50 -------
> (In reply to comment #6)
> > Subject: Re:  gfortran: incorrect output for array of dynamic bounds
> >
> > not like that. it's right to use a(j,i) which has j as lower dimension.
> > memory layout of array(0:2, 0:1) is like:
> > a(0,0), a(1,0), a(2,0), a(0,1), a(1,1), a(2,1)
>
> You're not even close to the want the code is doing.
>
> > the testcase is invalid for gfortran. I would close the bug report.
> >
>
> The testcase is invalid for ALL Fortran compilers.  How many times
> does one need to tell you that the code is invalid Fortran.  Period.
>
> Again, add -fbounds-check to the compiler options and see what happens.
> Try your code with other compilers and their strictest conformance and
> debugging options.
>
>
> --
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33954
>
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33954