* gc.c (rb_gc_resurrect): added.

  rb_fstring() used rb_gc_mark() to avoid freeing used string.
  However, rb_gc_mark() set mark bit *and* pushes mark_stack.
  rb_gc_resurrect() does only set mark bit if it is before sweeping.
* string.c (rb_fstring): use rb_gc_resurrect.
* internal.h: add decl.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43718 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/string.c b/string.c
index 98dbbfb645..4114f2d8b5 100644
--- a/string.c
+++ b/string.c
@@ -140,7 +140,7 @@ rb_fstring(VALUE str)
 	str = (VALUE)fstr;
 	/* because of lazy sweep, str may be unmaked already and swept
 	 * at next time */
-	rb_gc_mark(str);
+	rb_gc_resurrect(str);
     }
     else {
 	str = rb_str_new_frozen(str);