[Bug gcov-profile/86957] gcc should warn about missing profiles for a compilation unit or a new function with -fprofile-use

[qinzhao at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86957

--- Comment #6 from qinzhao at gcc dot gnu.org ---
Author: qinzhao
Date: Wed Sep 26 22:29:54 2018
New Revision: 264657

URL: https://gcc.gnu.org/viewcvs?rev=264657&root=gcc&view=rev
Log:
2018-09-26  Indu Bhagat  <indu.bha...@oracle.com>

        PR gcov-profile/86957
        * common.opt: New warning option -Wmissing-profile.
        * coverage.c (get_coverage_counts): Add warning for missing .gcda file.
        * doc/invoke.texi: Document -Wmissing-profile.

Added:
    trunk/gcc/testsuite/gcc.dg/Wmissing-profile.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/common.opt
    trunk/gcc/coverage.c
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog