------- Comment #4 from dfranke at gcc dot gnu dot org  2007-06-22 18:26 -------
Reduced testcase and backtrace:

module gfcbug64_mod1
contains
  function copy (d)
    real, intent(in) :: d(:)
    real             :: copy(size (d))
    copy = d
  end function copy
end module gfcbug64_mod1

module gfcbug64_mod2
contains
  subroutine foo (x_o)
    real, intent(in) :: x_o(5)
    integer          :: s(size (x_o))
  contains
    subroutine bar ()
      use gfcbug64_mod1, only: copy
    end subroutine bar
  end subroutine foo
end module gfcbug64_mod2

Program received signal SIGSEGV, Segmentation fault.
0x08095f00 in gfc_resolve_expr (e=0x88d1920)
    at ../../../gcc/gcc/fortran/resolve.c:3265
3265              gcc_assert (expr && sym == expr->symtree->n.sym);

(gdb) bt
#0  0x08095f00 in gfc_resolve_expr (e=0x88d1920)
    at ../../../gcc/gcc/fortran/resolve.c:3265
#1  0x08051f8b in resolve_array_bound (e=0x88d1920, check_constant=0)
    at ../../../gcc/gcc/fortran/array.c:218
#2  0x0805202b in gfc_resolve_array_spec (as=0x88d1858, check_constant=0)
    at ../../../gcc/gcc/fortran/array.c:252
#3  0x0809acac in resolve_symbol (sym=0x88d0c08)
    at ../../../gcc/gcc/fortran/resolve.c:6444
#4  0x080a5327 in traverse_ns (st=0x88d0c90, func=0x809ab40 <resolve_symbol>)
    at ../../../gcc/gcc/fortran/symbol.c:2731
#5  0x080983fa in resolve_types (ns=0x88d0800)
    at ../../../gcc/gcc/fortran/resolve.c:7403
#6  0x080984c7 in resolve_types (ns=0x88d0218)
    at ../../../gcc/gcc/fortran/resolve.c:7414
#7  0x080984c7 in resolve_types (ns=0x888d1b0)
    at ../../../gcc/gcc/fortran/resolve.c:7414
#8  0x0809ab1c in gfc_resolve (ns=0x888d1b0)
    at ../../../gcc/gcc/fortran/resolve.c:7477
#9  0x0808e6ec in gfc_parse_file () at ../../../gcc/gcc/fortran/parse.c:3256
#10 0x080b005d in gfc_be_parse_file (set_yydebug=0)
    at ../../../gcc/gcc/fortran/f95-lang.c:301
#11 0x08312f28 in toplev_main (argc=2, argv=0xbff77ce4)
    at ../../../gcc/gcc/toplev.c:1051

Due to the backtrace, I'd think this is related to PR30746. 
Adding Paul Thomas as CC.


-- 

dfranke at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dfranke at gcc dot gnu dot
                   |                            |org, pault at gcc dot gnu
                   |                            |dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32464

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