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diff --git a/‎ChangeLog
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diff --git a/‎gc.c
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+1-1Lines changed: 1 addition & 1 deletion b/‎gc.c
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+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎test/ruby/test_gc.rb
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@@ -1,3 +1,9 @@
+Tue Oct 29 11:10:08 2013  Aman Gupta <ruby@tmm1.net>
+
+	* gc.c (gc_profile_total_time): fix off-by-one error in
+	  GC::Profiler.total_time.
+	* test/ruby/test_gc.rb (class TestGc): test for above.
+
 Tue Oct 29 09:53:00 2013  Charlie Somerville  <charliesome@ruby-lang.org>
 
 	* insns.def, vm.c, vm_insnhelper.c, vm_insnhelper.h, vm_method.c: split
 
@@ -6140,7 +6140,7 @@ gc_profile_total_time(VALUE self)
 
     if (objspace->profile.run && objspace->profile.next_index > 0) {
 	size_t i;
-	size_t count = objspace->profile.next_index - 1;
+	size_t count = objspace->profile.next_index;
 
 	for (i = 0; i < count; i++) {
 	    time += objspace->profile.records[i].gc_time;
 
@@ -166,6 +166,16 @@ def test_profiler_clear
     eom
   end
 
+  def test_profiler_total_time
+    GC::Profiler.enable
+    GC::Profiler.clear
+
+    GC.start
+    assert_operator(GC::Profiler.total_time, :>, 0)
+  ensure
+    GC::Profiler.disable
+  end
+
   def test_finalizing_main_thread
     assert_in_out_err(%w[--disable-gems], <<-EOS, ["\"finalize\""], [], "[ruby-dev:46647]")
       ObjectSpace.define_finalizer(Thread.main) { p 'finalize' }