[Bug driver/92757] Documentation ambiguous/misleading about interplay of optimization and warning flags

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92757

--- Comment #14 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Jonathan Wakely
<redi@gcc.gnu.org>:

https://gcc.gnu.org/g:337111a23499e597707f220662b2567e3f3bd6ea

commit r9-8402-g337111a23499e597707f220662b2567e3f3bd6ea
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Thu Mar 19 15:33:02 2020 +0000

    doc: Note that some warnings depend on optimizations (PR 92757)

    Backport from mainline
    2020-01-13  Jonathan Wakely  <jwakely@redhat.com>

            PR driver/92757
            * doc/invoke.texi (Warning Options): Add caveat about some warnings
            depending on optimization settings.