* gc.c (gc_before_sweep): cast to size_t to suppress warnings.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43070 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri Sep 27 17:19:39 2013  Koichi Sasada  <ko1@atdot.net>
+
+	* gc.c (gc_before_sweep): cast to size_t to suppress warnings.
+
 Fri Sep 27 17:07:55 2013  Koichi Sasada  <ko1@atdot.net>
 
 	* gc.c: add some fine-grained profiling codes to tuning marking phase.

gc.c

@@ -2405,13 +2405,13 @@ gc_before_sweep(rb_objspace_t *objspace)
 	size_t old_limit = malloc_limit;
 
 	if (inc > malloc_limit) {
-	    malloc_limit += malloc_limit * (initial_params.initial_malloc_limit_factor - 1); /* 1 > factor */
+	    malloc_limit += (size_t)(malloc_limit * (initial_params.initial_malloc_limit_factor - 1));
 	    if (malloc_limit > initial_malloc_limit_max) {
 		malloc_limit = initial_malloc_limit_max;
 	    }
 	}
 	else {
-	    malloc_limit -= malloc_limit * ((initial_params.initial_malloc_limit_factor - 1) / 4);
+	    malloc_limit -= (size_t)(malloc_limit * ((initial_params.initial_malloc_limit_factor - 1) / 4));
 	    if (malloc_limit < initial_malloc_limit) {
 		malloc_limit = initial_malloc_limit;
 	    }