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 <tschwi...@gcc.gnu.org>: https://gcc.gnu.org/g:6c79057fae6bbb36c4a4fd61c5b7107a16b71b17 commit r12-3498-g6c79057fae6bbb36c4a4fd61c5b7107a16b71b17 Author: Thomas Schwinge <tho...@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.
