[Webkit-unassigned] [Bug 151113] calling super() a second time in a constructor should throw

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=151113

--- Comment #2 from GSkachkov <gskachkov at gmail.com> ---
I'm working on patch for this issue. 
I've created new op code - op_is_empty to check if thisRegister is empty or unassigned before assign value returned from parent constructor(super). I implemented op_is_empty in LLInt and currently working on implementing it in JITOpcodes & DFG

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