qdoc fails to compile with clang 18

agent:2024/03/07 14:23:13 build.go:404: | In file included from /home/qt/work/build/build/tmp/work/x86_64-linux/qttools-native/6.7.0/git/src/qdoc/qdoc/src/qdoc/clangcodeparser.cpp:40:
agent:2024/03/07 14:23:13 build.go:404: | /home/qt/work/build/build/tmp/work/x86_64-linux/qttools-native/6.7.0/git/src/qdoc/qdoc/src/qdoc/clang/AST/QualTypeNames.h: In function ‘clang::QualType clang::TypeName::getFullyQualifiedType(clang::QualType, const clang::ASTContext&, bool)’:
agent:2024/03/07 14:23:13 build.go:404: | /home/qt/work/build/build/tmp/work/x86_64-linux/qttools-native/6.7.0/git/src/qdoc/qdoc/src/qdoc/clang/AST/QualTypeNames.h:441:35: error: ‘ETK_None’ was not declared in this scope; did you mean ‘EST_None’?
agent:2024/03/07 14:23:13 build.go:404: |   441 |   ElaboratedTypeKeyword Keyword = ETK_None;
agent:2024/03/07 14:23:13 build.go:404: |       |                                   ^~~~~~~~
agent:2024/03/07 14:23:13 build.go:404: |       |                                   EST_None