--- gcc-4.1-20050815T0803UTC/gcc/gimplify.c 2005-08-16 19:35:38.541525608 +0000 +++ gcc-4.1-20050815T0803UTC/gcc/gimplify.c 2005-08-16 19:36:46.005269560 +0000 @@ -2552,6 +2552,17 @@ zero_sized_field_decl (tree fdecl) return false; } +/* Return true if TYPE is zero sized. */ + +static bool +zero_sized_type (tree type) +{ + if (AGGREGATE_TYPE_P (type) && TYPE_SIZE (type) + && integer_zerop (TYPE_SIZE (type))) + return true; + return false; +} + /* A subroutine of gimplify_init_constructor. Generate individual MODIFY_EXPRs for a CONSTRUCTOR. OBJECT is the LHS against which the assignments should happen. ELTS is the CONSTRUCTOR_ELTS of the @@ -2964,6 +2975,12 @@ gimplify_modify_expr_rhs (tree *expr_p, tree *post_p, bool want_value) { enum gimplify_status ret = GS_OK; + tree type = TREE_TYPE (*from_p); + if (zero_sized_type (type)) + { + *expr_p = build_empty_stmt (); + return GS_ALL_DONE; + } while (ret != GS_UNHANDLED) switch (TREE_CODE (*from_p))