Snippets for antlr 4.13.2 from FreeBSD 150arm64

Sourced from https://pkg-status.freebsd.org/ampere5/data/latest-per-pkg/libantlr4/4.13.2_1/150arm64-default.log.

• /wrkdirs/usr/ports/devel/libantlr4/work/libantlr4-4.13.2_1/runtime/src/UnbufferedCharStream.cpp:101:41: warning: comparison of integers of different signs: 'value_type' (aka 'char32_t') and 'int_type' (aka 'int') [-Wsign-compare]
    101 |   if (_data[static_cast<size_t>(index)] == std::char_traits<wchar_t>::eof()) {
        |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• /wrkdirs/usr/ports/devel/libantlr4/work/libantlr4-4.13.2_1/runtime/src/tree/xpath/XPathLexer.cpp:158:48: warning: unused parameter 'context' [-Wunused-parameter]
    158 | void XPathLexer::IDAction(antlr4::RuleContext *context, size_t actionIndex) {
        |                                                ^