Makefile.in (stor-layout.o): Depend on ggc.h.

	* 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

1 files changed, 1 insertions, 4 deletions

diff --git a/gcc/scan.c b/gcc/scan.c
index 156cd0e..24dd6632 100644
--- a/gcc/scan.c
+++ b/gcc/scan.c
@@ -35,10 +35,7 @@ make_sstring_space (str, count)
   if (new_size <= cur_size)
     return;
   
-  if (str->base == NULL)
-    str->base = xmalloc (new_size);
-  else
-    str->base = xrealloc (str->base, new_size);
+  str->base = xrealloc (str->base, new_size);
   str->ptr = str->base + cur_size;
   str->limit = str->base + new_size;
 }