Wen Yi

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Thanks for your reply. As @yeguixin said, this PoC comes from [CVE_2017-2531](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2531). When I execute this PoC using the newer versions of other engines, v8 and SpiderMonkey throw a syntax...

I debugged this issue further using GBD, it appears to be a null pointer issue, here is the detailed debug info: ``` (gdb) set disassembly-flavor intel (gdb) info r rax...