OSV-2020-1408 Segv on unknown address in clang::Sema::LookupTemplateName

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21152 Crash type: Segv on unknown address Crash state: clang::Sema::LookupTemplateName clang::Sema::isTemplateName clang::Parser::ParseOptionalCXXScopeSpecifier...

llvm:clang-fuzzer: Segv on unknown address in clang::Sema::LookupTemplateName

Detailed Report: https://oss-fuzz.com/testcase?key=5637110368567296 Project: llvm Fuzzing Engine: libFuzzer Fuzz Target: clang-fuzzer Job Type: libfuzzermsanllvm Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State: clang::Sema::LookupTemplateName...