https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82435
--- Comment #8 from Martin Sebor <msebor at gcc dot gnu.org> --- Author: msebor Date: Thu Oct 12 17:37:56 2017 New Revision: 253688 URL: https://gcc.gnu.org/viewcvs?rev=253688&root=gcc&view=rev Log: PR c/82301 - Updated test case g++.dg/ext/attr-ifunc-1.C (and others) in r253041 segfault on powerpc64 PR c/82435 - new __attribute__((alias)) warning gets in the way gcc/ChangeLog: PR other/82301 PR c/82435 * cgraphunit.c (maybe_diag_incompatible_alias): New function. (handle_alias_pairs): Call it. * common.opt (-Wattribute-alias): New option. * doc/extend.texi (ifunc attribute): Discuss C++ specifics. * doc/invoke.texi (-Wattribute-alias): Document. gcc/testsuite/ChangeLog: PR other/82301 PR c/82435 * g++.dg/ext/attr-ifunc-1.C: Update. * g++.dg/ext/attr-ifunc-2.C: Same. * g++.dg/ext/attr-ifunc-3.C: Same. * g++.dg/ext/attr-ifunc-4.C: Same. * g++.dg/ext/attr-ifunc-5.C: Same. * g++.dg/ext/attr-ifunc-6.C: New test. * g++.old-deja/g++.abi/vtable2.C: Update. * gcc.dg/attr-ifunc-6.c: New test. * gcc.dg/attr-ifunc-7.c: New test. * gcc.dg/pr81854.c: Update. * lib/target-supports.exp: Update. Modified: trunk/gcc/ChangeLog trunk/gcc/cgraphunit.c trunk/gcc/common.opt trunk/gcc/doc/extend.texi trunk/gcc/doc/invoke.texi trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/g++.dg/ext/attr-ifunc-1.C trunk/gcc/testsuite/g++.dg/ext/attr-ifunc-2.C trunk/gcc/testsuite/g++.dg/ext/attr-ifunc-3.C trunk/gcc/testsuite/g++.dg/ext/attr-ifunc-4.C trunk/gcc/testsuite/g++.dg/ext/attr-ifunc-5.C trunk/gcc/testsuite/g++.old-deja/g++.abi/vtable2.C trunk/gcc/testsuite/gcc.dg/pr81854.c trunk/gcc/testsuite/lib/target-supports.exp
