This patch fixes: mlir/lib/Conversion/ComplexToStandard/ComplexToStandard.cpp:964:26: error: missing 'typename' prior to dependent type name Op::Adaptor; implicit 'typename' is a C++20 extension [-Werror,-Wc++20-extensions]
This patch fixes: mlir/lib/Conversion/ComplexToStandard/ComplexToStandard.cpp:964:26: error: missing 'typename' prior to dependent type name Op::Adaptor; implicit 'typename' is a C++20 extension [-Werror,-Wc++20-extensions]