* tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
(struct tree_type, struct tree_decl): Add user_align member.
* stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
(place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
and DECL_USER_ALIGN 0, cap alignment to this value.
(place_field): Likewise.
(finalize_type_size): Set TYPE_USER_ALIGN.
(layout_type): Likewise.
(initialize_sizetypes): Likewise.
* c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
DECL_USER_ALIGN to 1.
* c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
(xfer_tag): Set TYPE_USER_ALIGN.
(finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
(finish_enum): Likewise.
* stmt.c (expand_decl): Set DECL_USER_ALIGN.
(expand_anon_union_decl): Likewise.
* tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
(build_index_type): Set TYPE_USER_ALIGN.
(build_range_type): Likewise.
(build_common_tree_nodes_2): Likewise.
* tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
ch/:
* decl.c (init_decl_processing): Set TYPE_USER_ALIGN.
(layout_enum): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
* typeck.c (layout_chill_range_type): Set TYPE_USER_ALIGN.
(apply_chill_field_layout): Set DECL_USER_ALIGN.
(layout_chill_struct_type): Set TYPE_USER_ALIGN.
f/:
* com.c (ffecom_transform_common_): Set DECL_USER_ALIGN.
(ffecom_transform_equiv_, ffecom_decl_field): Likewise.
(ffecom_init_0): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
(duplicate_decls): Set DECL_USER_ALIGN.
java/:
* typeck.c (build_java_array_type): Set TYPE_USER_ALIGN.
* parse.y (java_complete_class): Set DECL_USER_ALIGN.
* parse.c: Rebuilt.