keystone/fuzz_asm_x86_64: Bad-cast to llvm_ks::X86OperandX86AsmParser::MatchAndEmitATTInstruction in AsmParser::parseStatement

Detailed report: https://oss-fuzz.com/testcase?key=5121855985287168 Project: keystone Fuzzer: libFuzzerkeystonefuzzasmx8664 Fuzz target binary: fuzzasmx8664 Job Type: libfuzzerubsankeystone Platform Id: linux Crash Type: Bad-cast Crash Address: 0x00000210d120 Crash State: Bad-cast to...