* decl.c (ENABLE_SCOPE_CHECKING): Rename from DEBUG_BINDING_LEVELS.
        (binding_depth): Unconditionally define.
        (is_class_level): Likewise.
        (indent): Likewise.  Take an indenting parameter.
        (push_binding_level): Remove conditional definittion.
        (pop_binding_level): Likewise.
        (suspend_binding_level): Likewise.
        (resume_binding_level): Likewise.
        (pushlevel): Likewise.
        (pushlevel_class): Likewise.
        (poplevel_class): Likewise.
        (pop_everything): Likewise.

From-SVN: r67226