cgraph.h (struct cgraph_node): Rename lowered to analyzed.

        * cgraph.h (struct cgraph_node): Rename lowered to analyzed.
        * cgraphunit.c: Update to match.
        (record_call_1): Rearrange.  Call lang hook for language nodes.
        (cgraph_analyze_function): Don't call lower_function.
        * langhooks.h (struct lang_hooks_for_callgraph): Replace
        lower_function with analyze_expr.
        * langhooks-def.h: Update to match.
        * langhooks.c (lhd_callgraph_analyze_expr): New.

        * decl2.c (cxx_callgraph_analyze_expr): New, from corpse of
        mark_member_pointers.
        (lower_function): Remove.
        * cp-tree.h: Update to match.
        * cp-lang.c (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): New.
        (LANG_HOOKS_CALLGRAPH_LOWER_FUNCTION): Remove.

From-SVN: r71277