[Bug bootstrap/101574] gcc/sparseset.h:215:20: error: suggest parentheses around assignment used as truth value [-Werror=parentheses]

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101574

--- Comment #10 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Thomas Schwinge <tschwinge@gcc.gnu.org>:

https://gcc.gnu.org/g:6c79057fae6bbb36c4a4fd61c5b7107a16b71b17

commit r12-3498-g6c79057fae6bbb36c4a4fd61c5b7107a16b71b17
Author: Thomas Schwinge <thomas@codesourcery.com>
Date:   Mon Aug 30 22:36:47 2021 +0200

    Don't maintain a warning spec for 'UNKNOWN_LOCATION'/'BUILTINS_LOCATION'
[PR101574]

    This resolves PR101574 "gcc/sparseset.h:215:20: error: suggest parentheses
    around assignment used as truth value [-Werror=parentheses]", as (bogusly)
    reported at commit a61f6afbee370785cf091fe46e2e022748528307:

        In file included from [...]/source-gcc/gcc/lra-lives.c:43:
        [...]/source-gcc/gcc/lra-lives.c: In function âvoid
make_hard_regno_dead(int)â:
        [...]/source-gcc/gcc/sparseset.h:215:20: error: suggest parentheses
around assignment used as truth value [-Werror=parentheses]
          215 |        && (((ITER) = sparseset_iter_elm (SPARSESET)) || 1);    
        \
              |            ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        [...]/source-gcc/gcc/lra-lives.c:304:3: note: in expansion of macro
âEXECUTE_IF_SET_IN_SPARSESETâ
          304 |   EXECUTE_IF_SET_IN_SPARSESET (pseudos_live, i)
              |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~

            gcc/
            PR bootstrap/101574
            * diagnostic-spec.c (warning_suppressed_at, copy_warning): Handle
            'RESERVED_LOCATION_P' locations.
            * warning-control.cc (get_nowarn_spec, suppress_warning)
            (copy_warning): Likewise.