[Bug time/19466] time/tst-mktime2.c is compiled into an infinite loop with -Os

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=19466

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |2.23

--- Comment #10 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed.

--- Comment #11 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82c9a4f85e8522bc9e578725075d5c0535940b32

commit 82c9a4f85e8522bc9e578725075d5c0535940b32
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Jan 14 16:35:24 2016 -0800

    Use TIME_T_MAX and TIME_T_MIN in tst-mktime2.c

    GCC 5.3 compiles

    for (time_t_max = 1; 0 < time_t_max; time_t_max *= 2)
        continue;

    into an infinite loop with -Os.  We can copy TIME_T_MAX and TIME_T_MIN
    from time/mktime.c.

        [BZ #19466]
        * time/tst-mktime2.c (time_t_max): Removed.
        (time_t_min): Likewise.
        (TYPE_SIGNED): New.
        (TYPE_MINIMUM): Likewise.
        (TYPE_MAXIMUM): Likewise.
        (TIME_T_MIN): Likewise.
        (TIME_T_MAX): Likewise.
        (mktime_test): Replace time_t_max and time_t_min with TIME_T_MAX
        and TIME_T_MIN.
        (do_test): Likewise.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog          |   14 ++++++++++++++
 time/tst-mktime2.c |   38 ++++++++++++++++++++++++++------------
 2 files changed, 40 insertions(+), 12 deletions(-)

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