https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81061
--- Comment #3 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> --- Author: paolo Date: Wed Dec 13 20:29:11 2017 New Revision: 255613 URL: https://gcc.gnu.org/viewcvs?rev=255613&root=gcc&view=rev Log: /cp 2017-12-13 Paolo Carlini <paolo.carl...@oracle.com> PR c++/81061 * typeck.c (cp_build_modify_expr): Upon cxx_readonly_error immediately return error_mark_node. /testsuite 2017-12-13 Paolo Carlini <paolo.carl...@oracle.com> PR c++/81061 * g++.dg/other/const5.C: New. Added: trunk/gcc/testsuite/g++.dg/other/const5.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/typeck.c trunk/gcc/testsuite/ChangeLog