When the build is configured with --disable-precompiled-headers we get this build failure:

src\hotspot\os\windows\memMapPrinter_windows.cpp(126): error C2504: 'os::win32': base class undefined
src\hotspot\os\windows\memMapPrinter_windows.cpp(130): error C2027: use of undefined type 'os::win32'
src\hotspot\share\runtime/os.hpp(1015): note: see declaration of 'os::win32'
src\hotspot\os\windows\memMapPrinter_windows.cpp(130): error C3861: 'print_windows_version': identifier not found
src\hotspot\os\windows\memMapPrinter_windows.cpp(131): error C2027: use of undefined type 'os::win32'
src\hotspot\share\runtime/os.hpp(1015): note: see declaration of 'os::win32'
src\hotspot\os\windows\memMapPrinter_windows.cpp(131): error C3861: 'print_uptime_info': identifier not found
src\hotspot\os\windows\memMapPrinter_windows.cpp(132): error C2653: 'VM_Version': is not a class or namespace name
src\hotspot\os\windows\memMapPrinter_windows.cpp(132): error C3861: 'print_platform_virtualization_info': identifier not found