[Bug gcov-profile/86536] Function "returned NAN %" for a simple program which forks

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86536

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Thu Jul 26 08:50:21 2018
New Revision: 262991

URL: https://gcc.gnu.org/viewcvs?rev=262991&root=gcc&view=rev
Log:
gcov: Fix wrong usage of NAN in statistics (PR gcov-profile/86536).

2018-07-26  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/86536
        * gcov.c (format_gcov): Use printf format %.*f directly
        and do not handle special values.
2018-07-26  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/86536
        * gcc.misc-tests/gcov-pr86536.c: New test.

Added:
    trunk/gcc/testsuite/gcc.misc-tests/gcov-pr86536.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gcov.c
    trunk/gcc/testsuite/ChangeLog