Gentoo's Bugzilla –
Attachment 472506 Details for
Bug 618372sys-kernel/hardened-sources-4.9.24 make fails: scripts/gcc-plugins/randomize_layout_plugin.c:528:21: error: lvalue required as left operand of assignment DECL_ALIGN(decl) = 0; compiled with sys-devel/gcc-7.1.0-r1