[Bug fortran/61669] New: Error recovery ICE

[Bug fortran/61669] New: Error recovery ICE

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61669

            Bug ID: 61669
           Summary: Error recovery ICE
           Product: gcc
           Version: 4.9.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jakub at gcc dot gnu.org

write (*,"(a)") char(12)
      CHARACTER*80 A /"A"/
      REAL*4 B
      write (*,"(a)") char(12)
      DATA B / 0.02 /
      END

ICEs after emitting correct diagnostics.

[Bug fortran/61669] Error recovery ICE

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61669

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-07-12
     Ever confirmed|0                           |1

--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Confirmed from 4.3.1 up to trunk (4.10.0).

[Bug fortran/61669] Error recovery ICE

[steven at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61669

Steven Bosscher <steven at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |steven at gcc dot gnu.org
           Assignee|unassigned at gcc dot gnu.org      |steven at gcc dot gnu.org

--- Comment #2 from Steven Bosscher <steven at gcc dot gnu.org> ---
We need to roll back parsed DATA or DATA SPEC if we reject the statement.
https://gcc.gnu.org/ml/fortran/2014-08/msg00092.html

[Bug fortran/61669] Error recovery ICE

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61669

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Steven, do you plan to commit your fix which has been acked back in August?

[Bug fortran/61669] Error recovery ICE

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61669

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Dec 15 18:37:59 2014
New Revision: 218757

URL: https://gcc.gnu.org/viewcvs?rev=218757&root=gcc&view=rev
Log:
    PR fortran/61669
    * gfortran.h (struct gfc_namespace): Add OLD_DATA field.
    * decl.c (gfc_reject_data): New function.
    * parse.c *use_modules): Record roll-back point.
    (next_statement): Likewise.
    (reject_statement): Roll back to last accepted DATA.

    * gfortran.dg/pr61669.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/pr61669.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/decl.c
    trunk/gcc/fortran/gfortran.h
    trunk/gcc/fortran/parse.c
    trunk/gcc/testsuite/ChangeLog

[Bug fortran/61669] Error recovery ICE

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61669

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |error-recovery,
                   |                            |ice-on-invalid-code

--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
AFAICT this PR is fixed on trunk. Is there any plan to back port the fix? If
no, this PR can be closed as FIXED, isn't it?

[Bug fortran/61669] Error recovery ICE

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61669

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

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

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Error-recovery fixes aren't generally backported.