* string.c (rb_str_format_m): make tmp volatile to avoid possible GC

  problem.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17719 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/string.c b/string.c
index 49f3ba9456..983f3e682a 100644
--- a/string.c
+++ b/string.c
@@ -957,7 +957,7 @@ rb_str_times(VALUE str, VALUE times)
 static VALUE
 rb_str_format_m(VALUE str, VALUE arg)
 {
-    VALUE tmp = rb_check_array_type(arg);
+    volatile VALUE tmp = rb_check_array_type(arg);
 
     if (!NIL_P(tmp)) {
 	return rb_str_format(RARRAY_LEN(tmp), RARRAY_PTR(tmp), str);