OSV-2020-1583 Segv on unknown address in clang::Preprocessor::LexHeaderName

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24668 Crash type: Segv on unknown address Crash state: clang::Preprocessor::LexHeaderName clang::Preprocessor::HandleIncludeDirective clang::Preprocessor::HandleDirective...

OSV-2020-1479 Segv on unknown address in clang::Preprocessor::AnnotatePreviousCachedTokens

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19064 Crash type: Segv on unknown address Crash state: clang::Preprocessor::AnnotatePreviousCachedTokens clang::Parser::TryAnnotateTypeOrScopeTokenAfterScopeSpec clang::Parser::TryAnnotateTypeOrScopeToken...