ggc-page.c (ggc_collect): Avoid overflow computing min_expand.

	* ggc-page.c (ggc_collect): Avoid overflow computing
	min_expand.

From-SVN: r61172

gcc/ChangeLog

 2003-01-10  Geoffrey Keating  <geoffk@apple.com>
 
+	* ggc-page.c (ggc_collect): Avoid overflow computing
+	min_expand.
+
 	* Makefile.in (RANLIB_FOR_TARGET): Use RANLIB when native.
 	(RANLIB_TEST_FOR_TARGET): Delete.  Don't pass down to sub-makes.
 	Remove calls.

gcc/ggc-page.c

@@ -1509,10 +1509,10 @@ ggc_collect ()
   /* Avoid frequent unnecessary work by skipping collection if the
      total allocations haven't expanded much since the last
      collection.  */
-  size_t allocated_last_gc =
+  float allocated_last_gc =
     MAX (G.allocated_last_gc, (size_t)PARAM_VALUE (GGC_MIN_HEAPSIZE) * 1024);
 
-  size_t min_expand = allocated_last_gc * PARAM_VALUE (GGC_MIN_EXPAND) / 100;
+  float min_expand = allocated_last_gc * PARAM_VALUE (GGC_MIN_EXPAND) / 100;
 
   if (G.allocated < allocated_last_gc + min_expand)
     return;