../libs/xpressive/test/test_actions.cpp:186:37: warning: top-level comma expression in array subscript is deprecated in C++20 and unsupported in C++2b [-Wdeprecated-comma-subscript]
../libs/xpressive/test/test_actions.cpp:193:37: warning: top-level comma expression in array subscript is deprecated in C++20 and unsupported in C++2b [-Wdeprecated-comma-subscript]
../libs/xpressive/test/test_actions.cpp:202:37: warning: top-level comma expression in array subscript is deprecated in C++20 and unsupported in C++2b [-Wdeprecated-comma-subscript]
../libs/xpressive/test/test_actions.cpp:209:37: warning: top-level comma expression in array subscript is deprecated in C++20 and unsupported in C++2b [-Wdeprecated-comma-subscript]
4 warnings generated.