chakra: Crash in Js::JavascriptError::Is

Project: https://github.com/Microsoft/ChakraCore.git Detailed report: https://oss-fuzz.com/testcase?key=6196917705900032 Project: chakra Fuzzer: jsfuzzer Job Type: asanchakra Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x00107fff8004 Crash State: Js::JavascriptError::Is...