| Index: src/frames-inl.h
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| diff --git a/src/frames-inl.h b/src/frames-inl.h
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| index cf31a482c14fcbfc4faa7bdec1895a2c529b544d..c22a018fb0a1fb09bc0c5199fcf332d0c5a31c1b 100644
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| --- a/src/frames-inl.h
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| +++ b/src/frames-inl.h
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| @@ -324,7 +324,8 @@ inline JavaScriptFrame* JavaScriptFrameIterator::frame() const {
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|  }
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|  
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|  
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| -inline JavaScriptFrame* SafeStackTraceFrameIterator::frame() const {
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| +inline JavaScriptFrame* SafeStackFrameIterator::frame() const {
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| +  ASSERT(!iteration_done_);
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|    // TODO(1233797): The frame hierarchy needs to change. It's
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|    // problematic that we can't use the safe-cast operator to cast to
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|    // the JavaScript frame type, because we may encounter arguments
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| 
 |