warning: comparison of unsigned expression in ‘>= 0’ is always true [-Wtype-limits]

[ryandesign]

Building the latest code from the repo on Linux with cmake (which uses -Wall -Wextra) and g++ 11.4.0, I get this warning:

.../CLK/Machines/Apple/AppleIIgs/MemoryMap.hpp: In member function ‘bool Apple::IIgs::MemoryMap::is_shadowed(const Apple::IIgs::MemoryMap::Region&, uint32_t) const’:
.../CLK/Machines/Apple/AppleIIgs/MemoryMap.hpp:80:41: warning: comparison of unsigned expression in ‘>= 0’ is always true [-Wtype-limits]
   80 |                         assert(physical >= 0 && physical <= 0xff'ffff);
      |                                ~~~~~~~~~^~~~