https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85061
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2018-03-24 CC| |jakub at gcc dot gnu.org Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- --- gcc/c-family/c-common.c.jj 2018-03-13 00:38:23.809662252 +0100 +++ gcc/c-family/c-common.c 2018-03-24 15:21:36.171485128 +0100 @@ -6272,7 +6272,7 @@ fold_offsetof_1 (tree expr, enum tree_co case COMPOUND_EXPR: /* Handle static members of volatile structs. */ t = TREE_OPERAND (expr, 1); - gcc_assert (VAR_P (t)); + gcc_checking_assert (VAR_P (get_base_address (t))); return fold_offsetof_1 (t); default: seems to fix this.