[Bug c/7652] -Wswitch-break : Warn if a switch case falls through

["mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=7652

--- Comment #56 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Tue Aug  9 16:39:28 2016
New Revision: 239297

URL: https://gcc.gnu.org/viewcvs?rev=239297&root=gcc&view=rev
Log:
        PR c/7652
gcc/c-family/
        * c-ada-spec.c (dump_generic_ada_node): Add return.
gcc/
        * cselib.c (cselib_expand_value_rtx_1): Add return.
        * gengtype.c (dbgprint_count_type_at): Likewise.
        * hsa-gen.c (gen_hsa_insn_for_internal_fn_call): Likewise.
        * reg-stack.c (get_true_reg): Restructure to avoid fallthrough warning.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-ada-spec.c
    trunk/gcc/cselib.c
    trunk/gcc/gengtype.c
    trunk/gcc/hsa-gen.c
    trunk/gcc/reg-stack.c