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[Bug fortran/31243] truncating strings longer than 2**32 characters



------- Comment #10 from fxcoudert at gcc dot gnu dot org  2009-05-16 16:53 -------
Subject: Bug 31243

Author: fxcoudert
Date: Sat May 16 16:53:02 2009
New Revision: 147619

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147619
Log:
        PR fortran/31243

        * resolve.c (resolve_substring): Don't allow too large substring
        indexes.
        (gfc_resolve_substring_charlen): Fix typo.
        (gfc_resolve_character_operator): Fix typo.
        (resolve_charlen): Catch unreasonably large string lengths.
        * simplify.c (gfc_simplify_len): Don't error out on LEN
        range checks.

        * gcc/testsuite/gfortran.dg/string_1.f90: New test.
        * gcc/testsuite/gfortran.dg/string_2.f90: New test.
        * gcc/testsuite/gfortran.dg/string_3.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/string_1.f90
    trunk/gcc/testsuite/gfortran.dg/string_2.f90
    trunk/gcc/testsuite/gfortran.dg/string_3.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/resolve.c
    trunk/gcc/fortran/simplify.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31243


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