Seems broken with latest AFL++ ?

[20urc3]

/home/s0urc3/Downloads/Grammar-Mutator/third_party/antlr4-cpp-runtime/antlr4-cpp-runtime-src/runtime/src/support/Any.h:125:51: error: self-comparison always evaluates to true [-Werror=tautological-compare]
  125 |     template<int N = 0, typename std::enable_if<N == N && std::is_nothrow_copy_constructible<T>::value, int>::type = 0>
      |                                                 ~~^~~~
/home/s0urc3/Downloads/Grammar-Mutator/third_party/antlr4-cpp-runtime/antlr4-cpp-runtime-src/runtime/src/support/Any.h:130:51: error: self-comparison always evaluates to true [-Werror=tautological-compare]
  130 |     template<int N = 0, typename std::enable_if<N == N && !std::is_nothrow_copy_constructible<T>::value, int>::type = 0>
      |                                                 ~~^~~~
/home/s0urc3/Downloads/Grammar-Mutator/third_party/antlr4-cpp-runtime/antlr4-cpp-runtime-src/runtime/src/tree/ParseTree.h:49:18: error: ‘virtual bool antlr4::tree::ParseTree::operator==(const antlr4::tree::ParseTree&) const’ was hidden [-Werror=overloaded-virtual=]
   49 |     virtual bool operator == (const ParseTree &other) const;
      |                  ^~~~~~~~
/home/s0urc3/Downloads/Grammar-Mutator/third_party/antlr4-cpp-runtime/antlr4-cpp-runtime-src/runtime/src/RuleContext.h:131:10: note:   by ‘bool antlr4::RuleContext::operator==(const antlr4::RuleContext&)’
  131 |     bool operator == (const RuleContext &other) { return this == &other; } // Simple address comparison.
      |          ^~~~~~~~
cc1plus: all warnings being treated as errors
make[2]: *** [Makefile:51: antlr4_shim.o] Error 1
make[2]: Leaving directory '/home/s0urc3/Downloads/Grammar-Mutator/lib/antlr4_shim'
make[1]: *** [Makefile:25: antlr4_shim] Error 2
make[1]: Leaving directory '/home/s0urc3/Downloads/Grammar-Mutator/lib'
make: *** [GNUmakefile:120: build_lib] Error 2