* Makefile.in (stor-layout.o): Depend on ggc.h.
(expr.o): Depend on ggc.h.
(profile.o): Depend on ggc.h.
(stor-layout.o): Depend on ggc.h.
* emit-rtl.c (init_emit_once): Add gc roots.
* expr.c: Include ggc.h.
(emit_block_move): Add gc roots.
(clear_storage): Likewise.
* expr.h (init_stor_layout_once): New function.
* profile.c: Include ggc.h.
(init_arc_profiler): profiler_label is a root.
* scan.c (make_sstring_space): Trust xrealloc to function
correctly with first parameter NULL.
* stor-layout.c: Include ggc.h.
(set_sizetype): Add gc root.
(init_stor_layout_once): New function.
* toplev.c (compile_file): Call it.
Co-Authored-By: Bernd Schmidt <bernds@cygnus.co.uk> Co-Authored-By: Mark Mitchell <mark@codesourcery.com>
From-SVN: r29122