[Bug middle-end/86575] [7/8/9 Regression] -Wimplicit-fallthrough affects code generation

[matz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86575

--- Comment #4 from Michael Matz <matz at gcc dot gnu.org> ---
Author: matz
Date: Wed Nov 14 15:43:54 2018
New Revision: 266148

URL: https://gcc.gnu.org/viewcvs?rev=266148&root=gcc&view=rev
Log:
Fix PR middle-end/86575

        PR middle-end/86575
        * gimplify.c (collect_fallthrough_labels): Add new argument,
        return location via that, don't modify statements.
        (warn_implicit_fallthrough_r): Adjust call, don't use
        statement location directly.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimplify.c