* gc.c (id2ref): fix symbol test.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8@10022 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 7 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index f151d31aa..bc69cd373 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Mar  4 15:26:40 2006  Tanaka Akira  <akr@m17n.org>
+
+	* gc.c (id2ref): fix symbol test.
+
 Sat Mar  4 01:08:07 2006  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* lib/rdoc/ri/ri_paths.rb (RI::Paths): adding paths from rubygems
diff --git a/gc.c b/gc.c
index f9610013f..8a98df851 100644
--- a/gc.c
+++ b/gc.c
@@ -1912,15 +1912,15 @@ id2ref(obj, objid)
     if (ptr == Qfalse) return Qfalse;
     if (ptr == Qnil) return Qnil;
     if (FIXNUM_P(ptr)) return (VALUE)ptr;
+    ptr = objid ^ FIXNUM_FLAG;	/* unset FIXNUM_FLAG */
 
-    if ((objid % sizeof(RVALUE)) == (4 << 2)) {
-        ID symid = objid / sizeof(RVALUE);
+    if ((ptr % sizeof(RVALUE)) == (4 << 2)) {
+        ID symid = ptr / sizeof(RVALUE);
         if (rb_id2name(symid) == 0)
             rb_raise(rb_eRangeError, "%p is not symbol id value", p0);
         return ID2SYM(symid);
     }
 
-    ptr = objid ^ FIXNUM_FLAG;	/* unset FIXNUM_FLAG */
     if (!is_pointer_to_heap((void *)ptr)|| BUILTIN_TYPE(ptr) >= T_BLKTAG) {
 	rb_raise(rb_eRangeError, "0x%lx is not id value", p0);
     }