https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92003
--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-9 branch has been updated by Jason Merrill <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:f2f70af7c52720a0905a455425de0d6ca4fb1dc4 commit r9-8293-gf2f70af7c52720a0905a455425de0d6ca4fb1dc4 Author: Jason Merrill <ja...@redhat.com> Date: Wed Feb 26 13:03:23 2020 -0500 cgraph: A COMDAT decl always has non-zero address. We should be able to assume that a template instantiation or other COMDAT has non-zero address even if MAKE_DECL_ONE_ONLY for the target sets DECL_WEAK and we haven't yet decided to emit a definition in this translation unit. gcc/ChangeLog 2020-02-26 Jason Merrill <ja...@redhat.com> PR c++/92003 * symtab.c (symtab_node::nonzero_address): A DECL_COMDAT decl has non-zero address even if weak and not yet defined.