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From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/36825] [F2008] Rank > 7 arrays  [will break library ABI]  libgfortran I/O+intrinsics:
Date: Sat, 15 Sep 2012 13:09:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36825

Tobias Burnus <burnus at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |burnus at gcc dot gnu.org

--- Comment #12 from Tobias Burnus <burnus at gcc dot gnu.org> 2012-09-15 13:09:15 UTC ---
We also need to update dwarf2out.h, which has:

266struct array_descr_info
267{
268  int ndimensions;
269  tree element_type;
270  tree base_decl;
271  tree data_location;
272  tree allocated;
273  tree associated;
274  struct array_descr_dimen
275    {
276      tree lower_bound;
277      tree upper_bound;
278      tree stride;
279    } dimen[10];
280};

Thus, GCC limits the maximal rank to 10.