* ggc.h (lang_cleanup_tree): Remove.
	* gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
	* ggc-callbacks.c (lang_cleanup_tree): Remove.

	* c-decl.c (finish_struct): Use ggc_alloc to allocate
	TYPE_LANG_SPECIFIC when garbage collecting.
	(lang_cleanup_tree): Remove.

From-SVN: r29242