wabt:read_binary_ir_fuzzer: Use-of-uninitialized-value in wabt::SharedValidator::OnRefFunc

Detailed Report: https://oss-fuzz.com/testcase?key=4856820724989952 Project: wabt Fuzzing Engine: libFuzzer Fuzz Target: readbinaryirfuzzer Job Type: libfuzzermsanwabt Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: wabt::SharedValidator::OnRefFunc...