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ruby-changes:31482

From: nobu <ko1@a...>
Date: Thu, 7 Nov 2013 09:40:03 +0900 (JST)
Subject: [ruby-changes:31482] nobu:r43561 (trunk): vm_trace.c: isolate errinfo in trace blocks

nobu	2013-11-07 09:39:56 +0900 (Thu, 07 Nov 2013)

  New Revision: 43561

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=43561

  Log:
    vm_trace.c: isolate errinfo in trace blocks
    
    * vm_trace.c (rb_threadptr_exec_event_hooks_orig): errinfo should not
      be propagated to trace blocks so that no argument raise does not
      throw internal objects.  [ruby-dev:47793] [Bug #9088]

  Modified files:
    trunk/ChangeLog
    trunk/test/ruby/test_settracefunc.rb
    trunk/vm_trace.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 43560)
+++ ChangeLog	(revision 43561)
@@ -1,3 +1,9 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Thu Nov  7 09:39:41 2013  Nobuyoshi Nakada  <nobu@r...>
+
+	* vm_trace.c (rb_threadptr_exec_event_hooks_orig): errinfo should not
+	  be propagated to trace blocks so that no argument raise does not
+	  throw internal objects.  [ruby-dev:47793] [Bug #9088]
+
 Wed Nov  6 21:30:55 2013  Masaya Tarui  <tarui@r...>
 
 	* gc.c (gc_before_sweep): Change algorithm of malloc_limit to
Index: vm_trace.c
===================================================================
--- vm_trace.c	(revision 43560)
+++ vm_trace.c	(revision 43561)
@@ -294,6 +294,7 @@ rb_threadptr_exec_event_hooks_orig(rb_tr https://github.com/ruby/ruby/blob/trunk/vm_trace.c#L294
 	const int outer_state = th->state;
 	int state = 0;
 	th->state = 0;
+	th->errinfo = Qnil;
 
 	th->vm->trace_running++;
 	th->trace_arg = trace_arg;
Index: test/ruby/test_settracefunc.rb
===================================================================
--- test/ruby/test_settracefunc.rb	(revision 43560)
+++ test/ruby/test_settracefunc.rb	(revision 43561)
@@ -991,4 +991,12 @@ class TestSetTraceFunc < Test::Unit::Tes https://github.com/ruby/ruby/blob/trunk/test/ruby/test_settracefunc.rb#L991
 
     assert_equal 9, n
   end
+
+  def test_isolated_raise_in_trace
+    bug9088 = '[ruby-dev:47793] [Bug #9088]'
+    assert_ruby_status([], <<-END, bug9088)
+    set_trace_func proc {raise rescue nil}
+    1.times {break}
+    END
+  end
 end

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