re PR c++/14804 ([unit-at-a-time] initializing const data with reinterpret_cast-ed pointer-to-member function crashes)

        PR c++/14804
        * decl.c (cp_finish_decl): Preserve TREE_READONLY more often.
        * typeck2.c (split_nonconstant_init): Clear TREE_READONLY.

From-SVN: r80318