skia:sksl2glsl: Use-of-uninitialized-value in SkSL::ASTNode::iterator::operator++

Detailed Report: https://oss-fuzz.com/testcase?key=4998916535877632 Project: skia Fuzzing Engine: libFuzzer Fuzz Target: sksl2glsl Job Type: libfuzzermsanskia Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: SkSL::ASTNode::iterator::operator++...