gistfile1.txt

diff --git a/gc.c b/gc.c
index fbfcc3b..053f2af 100644
--- a/gc.c
+++ b/gc.c
@@ -585,6 +585,10 @@ static void
 init_heap(rb_objspace_t *objspace)
 {
     add_heap_slots(objspace, HEAP_MIN_SLOTS / HEAP_OBJ_LIMIT);
+    objspace->profile.invoke_time = getrusage_time();
+    finalizer_table = st_init_numtable();
+    init_mark_stack(&objspace->mark_stack);
+
 #ifdef USE_SIGALTSTACK
     {
        /* altstack of another threads are allocated in another place */
@@ -594,10 +598,6 @@ init_heap(rb_objspace_t *objspace)
        free(tmp); /* free previously allocated area */
     }
 #endif
-
-    objspace->profile.invoke_time = getrusage_time();
-    finalizer_table = st_init_numtable();
-    init_mark_stack(&objspace->mark_stack);
 }
 
 static void