OSV-2020-1025 UNKNOWN READ in auto LLVMFuzzerTestOneInput::$_1::operator

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24195 Crash type: UNKNOWN READ Crash state: auto LLVMFuzzerTestOneInput::$1::operator int fuzzerinput::run set-gc.cpp...