avoid a GC problem with RUBY_ALWAYS_GC= ./ruby -e ''.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9764 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 1 deletions

diff --git a/eval.c b/eval.c
index 9cdd3631fb..49dfe28cd7 100644
--- a/eval.c
+++ b/eval.c
@@ -1,6 +1,6 @@
 /**********************************************************************
 
-  eval.c -
+  eval.e -
 
   $Author$
   $Date$
@@ -10015,6 +10015,9 @@ rb_gc_abort_threads()
 {
     rb_thread_t th;
 
+    if (!main_thread)
+        return;
+
     FOREACH_THREAD_FROM(main_thread, th) {
 	if (FL_TEST(th->thread, FL_MARK)) continue;
 	if (th->status == THREAD_STOPPED) {