[Bug fortran/24789] New: [gfortran] ICE when assigning to array of strings

[Bug fortran/24789] New: [gfortran] ICE when assigning to array of strings

[martin at mpa-garching dot mpg dot de]

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Current mainline gfortran ICEs on the following code:

subroutine foo(vals)
  character(len = *), pointer :: vals(:)

  vals = ''
end subroutine

martin@linux:~/tmp> gfortran -v test.F90
Driving: gfortran -v test.F90 -lgfortranbegin -lgfortran -lm -shared-libgcc
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: /home/martin/software/gcc/configure --quiet
--prefix=/home/martin/software/ugcc --enable-languages=c++,fortran
Thread model: posix
gcc version 4.1.0 20051111 (experimental)
 /home/martin/software/ugcc/libexec/gcc/x86_64-unknown-linux-gnu/4.1.0/cc1 -E
-lang-fortran -traditional-cpp -D_LANGUAGE_FORTRAN -quiet -v test.F90 -mtune=k8
-o /tmp/ccchY9YK.f95
ignoring nonexistent directory
"/home/martin/software/ugcc/lib/gcc/x86_64-unknown-linux-gnu/4.1.0/../../../../x86_64-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /home/martin/software/ugcc/include
 /home/martin/software/ugcc/lib/gcc/x86_64-unknown-linux-gnu/4.1.0/include
 /usr/include
End of search list.
 /home/martin/software/ugcc/libexec/gcc/x86_64-unknown-linux-gnu/4.1.0/f951
/tmp/ccchY9YK.f95 -quiet -dumpbase test.F90 -mtune=k8 -auxbase test -version -o
/tmp/ccaQr9Uk.s
GNU F95 version 4.1.0 20051111 (experimental) (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.1.0 20051111 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
test.F90: In function ‘foo’:
test.F90:4: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.


The Fortran compiler from the GOMP branch does not ICE on this code.

This ICE may be related to PR24266, but I'm not absolutely sure, and anyway,
my testcase is shorter :)


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           Summary: [gfortran] ICE when assigning to array of strings
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: martin at mpa-garching dot mpg dot de
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24789

[Bug fortran/24789] [gfortran] ICE when assigning to array of strings

[eedelman at gcc dot gnu dot org]

------- Comment #1 from eedelman at gcc dot gnu dot org  2005-11-28 21:27 -------
Confirmed.  Reminds a bit of PR 15809.


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eedelman at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2005-11-28 21:27:07
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24789

[Bug fortran/24789] [gfortran] ICE when assigning to array of strings

[pault at gcc dot gnu dot org]

------- Comment #2 from pault at gcc dot gnu dot org  2005-11-30 19:41 -------
(In reply to comment #1)
> Confirmed.  Reminds a bit of PR 15809.
> 
Oh woe is me! Unfortunately it is not the same.

OK, I am onto it.....

Paul T


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24789

[Bug fortran/24789] [gfortran] ICE when assigning to array of strings

[pault at gcc dot gnu dot org]

------- Comment #3 from pault at gcc dot gnu dot org  2005-12-01 06:58 -------
Subject: Bug 24789

Author: pault
Date: Thu Dec  1 06:58:04 2005
New Revision: 107805

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=107805
Log:
2005-12-01  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/24789
        * trans-decl.c (gfc_get_symbol_decl):  Move the expression for
        unit size of automatic character length, dummy pointer array
        elements down a few lines from the version that fixed PR15809.

2005-12-01  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/24789
        *  gfortran.dg/auto_char_dummy_array_2.f90: New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/auto_char_dummy_array_2.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/trans-decl.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24789

[Bug fortran/24789] [gfortran] ICE when assigning to array of strings

[pault at gcc dot gnu dot org]

------- Comment #4 from pault at gcc dot gnu dot org  2005-12-01 07:01 -------
Fixed in 4.2; 4.0 and 4.1 will follow tomorrow.

Paul T


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pault at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24789

[Bug fortran/24789] [gfortran] ICE when assigning to array of strings

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.2.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24789