nobu	2014-12-21 11:35:48 +0900 (Sun, 21 Dec 2014)

  New Revision: 48911

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=48911

  Log:
    thread.c: no allocation during GC
    
    * thread.c (ruby_thread_stack_overflow): jump without setting up
      the exception not to allocate new objects, during GC.

  Modified files:
    trunk/thread.c
Index: thread.c
===================================================================
--- thread.c	(revision 48910)
+++ thread.c	(revision 48911)
@@ -2080,11 +2080,12 @@ ruby_thread_stack_overflow(rb_thread_t * https://github.com/ruby/ruby/blob/trunk/thread.c#L2080
 {
     th->raised_flag = 0;
 #ifdef USE_SIGALTSTACK
-    rb_exc_raise(sysstack_error);
-#else
+    if (!rb_during_gc()) {
+	rb_exc_raise(sysstack_error);
+    }
+#endif
     th->errinfo = sysstack_error;
     TH_JUMP_TAG(th, TAG_RAISE);
-#endif
 }
 
 int

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