[Bug c/84293] system-header macro expansion location gives unexpected warning
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84293 Nathan Sidwell changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|--- |FIXED --- Comment #4 from Nathan Sidwell --- Fixed r257539.
[Bug c/84293] system-header macro expansion location gives unexpected warning
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84293 --- Comment #3 from Nathan Sidwell --- Author: nathan Date: Fri Feb 9 19:31:10 2018 New Revision: 257539 URL: https://gcc.gnu.org/viewcvs?rev=257539=gcc=rev Log: [PR c/84293] Unexpected strict-alias warning https://gcc.gnu.org/ml/gcc-patches/2018-02/msg00510.html PR c/84293 gcc/c/ * c-typeck.c (build_indirect_ref, build_c_cast): Pass expr location to strict_aliasing_warning. gcc/c-family/ * c-common.h (strict_aliasing_warning): Drop OTYPE arg, insert LOC arg. * c-warn.c (strict_aliasing_warning): Drop OTYPE arg, require LOC arg. Adjust. gcc/cp/ * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1): Pass expr location to strict_aliasing_warning. gcc/testsuite/ * c-c++-common/pr84293.h: New. * c-c++-common/pr84293.c: New. Added: trunk/gcc/testsuite/c-c++-common/pr84293.c trunk/gcc/testsuite/c-c++-common/pr84293.h Modified: trunk/gcc/c-family/ChangeLog trunk/gcc/c-family/c-common.h trunk/gcc/c-family/c-warn.c trunk/gcc/c/ChangeLog trunk/gcc/c/c-typeck.c trunk/gcc/cp/ChangeLog trunk/gcc/cp/typeck.c trunk/gcc/testsuite/ChangeLog
[Bug c/84293] system-header macro expansion location gives unexpected warning
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84293 Nathan Sidwell changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed||2018-02-08 Assignee|unassigned at gcc dot gnu.org |nathan at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #2 from Nathan Sidwell --- IRC conversation with shows it's not the macro expansion stuff being confused, but the alias checking using the wrong loc
[Bug c/84293] system-header macro expansion location gives unexpected warning
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84293 --- Comment #1 from Nathan Sidwell --- Created attachment 43380 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43380=edit header file