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[Bug fortran/46339] [4.3/4.4/4.5/4.6 Regression] ICE (segfault) in gfc_trans_pointer_assignment


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46339

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P4
             Status|UNCONFIRMED                 |NEW
      Known to work|                            |4.1.2
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|                            |2010.11.07 08:24:07
                 CC|                            |burnus at gcc dot gnu.org
     Ever Confirmed|0                           |1
            Summary|gfortran internal compiler  |[4.3/4.4/4.5/4.6
                   |error                       |Regression] ICE (segfault)
                   |                            |in
                   |                            |gfc_trans_pointer_assignmen
                   |                            |t
   Target Milestone|---                         |4.4.6
      Known to fail|                            |4.3.4, 4.4.0, 4.5.1

--- Comment #1 from Tobias Burnus <burnus at gcc dot gnu.org> 2010-11-07 08:24:07 UTC ---
==16250== Invalid read of size 8
==16250==    at 0x56962A: gfc_trans_pointer_assignment (trans-expr.c:4892)
==16250==    by 0x54610D: trans_code (trans.c:1259)
==16250==    by 0x562721: gfc_generate_function_code (trans-decl.c:4651)
==16250==    by 0x546581: gfc_generate_module_code (trans.c:1560)

      else if (expr2->expr_type == EXPR_VARIABLE)
        [...]
              gfc_add_modify (&lse.post, GFC_DECL_SPAN(decl), tmp);

Hereby GFC_DECL_SPAN(decl) == decl->decl_common.lang_specific->span
but decl->decl_common.lang_specific == NULL


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