* Makefile.in (c-format.o): Depend on gt-c-format.h.
* c-format.c (struct format_state): Mark with GTY.
(global_format_state): Likewise.
(construct_format_state): Allocate global_format_state via GC.
(c_format_finalize): Don't free global_format_state.
Include gt-c-format.h.
(init_dynamic_diag_info): Use global diag_t, not '&t'.
* c-config-lang.in (gtfiles): Add c-format.h, c-format.c.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/incremental-compiler@132729 138bc75d-0d04-0410-961f-82ee72b054a4