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From: "oleg.steblev at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/46588] New: Segfault on automatic function
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D46588

           Summary: Segfault on automatic function
           Product: gcc
           Version: 4.3.2
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P3
         Component: fortran
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: oleg.steblev@gmail.com


$ cat check.f90
program ds
implicit none
character(len =3D 4) :: ins =3D '+ - '
character(len =3D 20) st, aufun=20
st =3D aufun(ins) ! =D1=80=D0=B5=D0=B7=D1=83=D0=BB=D1=8C=D1=82=D0=B0=D1=82=
=D0=B0 =D1=80=D0=B0=D0=B2=D0=BD=D0=B0 n
print *, st
end

function aufun(pm)
character(len =3D *) pm
character(len =3D *) aufun
character(len =3D len(aufun)) temp=20
temp =3D pm // pm //pm // pm=20
aufun =3D '# ' // trim(temp) // ' #'
end

$ gfortran -v check.f90
Target: i686-pc-cygwin
compiled by GNU C version 4.3.2 20080827 (beta) 2, GMP version 4.2.4, MPFR
version 2.4.1.
GGC heuristics: --param ggc-min-expand=3D100 --param ggc-min-heapsize=3D131=
072
check.f90:7: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

$cat check2.f90
function aufun(pm)
character(len =3D *) pm
character(len =3D *) aufun
SAVE character(len =3D len(aufun)) temp=20
temp =3D pm // pm //pm // pm=20
aufun =3D '# ' // trim(temp) // ' #'
end

$ gfortran check2.f90
check2.f90:4.15:

 SAVE character(len =3D len(afun)) temp ! \xD1\xF2\xF0\xEE\xEA\xE0 temp -
\xEF\xF0\xE8\xEC\xE5\xF0
              1
Error: Syntax error in SAVE statement at (1)
check2.f90:5.8:

 temp =3D pm // pm //pm // pm !
\xE0\xE2\xF2\xEE\xEC\xE0\xF2\xE8\xF7\xE5\xF1\xEA\xEE\xE3\xEE
\xEE\xE1\xFA\xE5\xEA
xF2\xE0 \xE4\xE0\xED\xED\xFB\xF5
       1
Error: Can't convert CHARACTER(1) to REAL(4) at (1)
check2.f90:6.23:

 aufun =3D '# ' // trim(temp) // ' #'
                      1
Error: 'string' argument of 'trim' intrinsic at (1) must be CHARACTER