OSV-2020-1473 Segv on unknown address in LValue::addUnsizedArray

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19704 Crash type: Segv on unknown address Crash state: LValue::addUnsizedArray PointerExprEvaluator::VisitCastExpr clang::StmtVisitorBase::Visit...

llvm:clang-objc-fuzzer: Segv on unknown address in LValue::addUnsizedArray

Detailed Report: https://oss-fuzz.com/testcase?key=5720597908946944 Project: llvm Fuzzing Engine: libFuzzer Fuzz Target: clang-objc-fuzzer Job Type: libfuzzermsanllvm Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State: LValue::addUnsizedArray...