Python/pytime.c:297:10: warning: implicit conversion from 'long' to 'double' changes value from 9223372036854775807 to 9223372036854775808 [-Wimplicit-int-float-conversion] if (!_Py_InIntegralTypeRange(time_t, intpart)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/internal/pycore_pymath.h:72:45: note: expanded from macro '_Py_InIntegralTypeRange' (_Py_IntegralTypeMin(type) <= v && v <= _Py_IntegralTypeMax(type)) ~~ ^~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/internal/pycore_pymath.h:61:88: note: expanded from macro '_Py_IntegralTypeMax' (_Py_IS_TYPE_SIGNED(type) ? (((((type)1 << (sizeof(type)*CHAR_BIT - 2)) - 1) << 1) + 1) : ~(type)0) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ Python/pytime.c:352:14: warning: implicit conversion from 'long' to 'double' changes value from 9223372036854775807 to 9223372036854775808 [-Wimplicit-int-float-conversion] if (!_Py_InIntegralTypeRange(time_t, intpart)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/internal/pycore_pymath.h:72:45: note: expanded from macro '_Py_InIntegralTypeRange' (_Py_IntegralTypeMin(type) <= v && v <= _Py_IntegralTypeMax(type)) ~~ ^~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/internal/pycore_pymath.h:61:88: note: expanded from macro '_Py_IntegralTypeMax' (_Py_IS_TYPE_SIGNED(type) ? (((((type)1 << (sizeof(type)*CHAR_BIT - 2)) - 1) << 1) + 1) : ~(type)0) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ Python/pytime.c:518:10: warning: implicit conversion from 'long' to 'double' changes value from 9223372036854775807 to 9223372036854775808 [-Wimplicit-int-float-conversion] if (!_Py_InIntegralTypeRange(_PyTime_t, d)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/internal/pycore_pymath.h:72:45: note: expanded from macro '_Py_InIntegralTypeRange' (_Py_IntegralTypeMin(type) <= v && v <= _Py_IntegralTypeMax(type)) ~~ ^~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/internal/pycore_pymath.h:61:88: note: expanded from macro '_Py_IntegralTypeMax' (_Py_IS_TYPE_SIGNED(type) ? (((((type)1 << (sizeof(type)*CHAR_BIT - 2)) - 1) << 1) + 1) : ~(type)0) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ 3 warnings generated.