angle:fuzz_spirv_transform: Crash in rx::ShaderInterfaceVariableInfoMap::add

Detailed Report: https://oss-fuzz.com/testcase?key=6086141119102976 Project: angle Fuzzing Engine: libFuzzer Fuzz Target: fuzzspirvtransform Job Type: libfuzzerasanangle Platform Id: linux Crash Type: UNKNOWN WRITE Crash Address: 0x77fb0d8d019c Crash State: rx::ShaderInterfaceVariableInfoMap::add...