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[Bug libfortran/64770] [5 Regression] Segmentation fault when opening a file with status="new" and the file exists.


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64770

--- Comment #2 from Janne Blomqvist <jb at gcc dot gnu.org> ---
Author: jb
Date: Sat Jan 24 21:52:34 2015
New Revision: 220086

URL: https://gcc.gnu.org/viewcvs?rev=220086&root=gcc&view=rev
Log:
PR libfortran/64770 Segfault when trying to open existing file with
status="new".

libgfortran ChangeLog:

2015-01-24  Janne Blomqvist  <jb@gcc.gnu.org>

    PR libfortran/64770
    * io/unit.c (filename_from_unit): Check that u->filename != NULL
    before calling strdup.

testsuite ChangeLog:

2015-01-24  Janne Blomqvist  <jb@gcc.gnu.org>

    PR libfortran/64770
    * gfortran.dg/open_new_segv.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/open_new_segv.f90
Modified:
    trunk/gcc/testsuite/ChangeLog
    trunk/libgfortran/ChangeLog
    trunk/libgfortran/io/unit.c


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