llvm:clang-fuzzer: Use-of-uninitialized-value in X86_64ABIInfo::computeInfo

Detailed Report: https://oss-fuzz.com/testcase?key=4905123874209792 Project: llvm Fuzzing Engine: libFuzzer Fuzz Target: clang-fuzzer Job Type: libfuzzermsanllvm Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: X8664ABIInfo::computeInfo...