reservedversions

TGD
DigitalMars
GNU
LDC
SDC
Windows
Win32
Win64
linux
OSX
FreeBSD
OpenBSD
NetBSD
DragonFlyBSD
BSD
Solaris
Posix
AIX
Haiku
SkyOS
SysV3
SysV4
Hurd
Android
Cygwin
MinGW
FreeStanding
CRuntime_Bionic
CRuntime_DigitalMars
CRuntime_Glibc
CRuntime_Microsoft
X86
X86_64
ARM
ARM_Thumb
ARM_SoftFloat
ARM_SoftFP
ARM_HardFloat
AArch64
Epiphany
PPC
PPC_SoftFloat
PPC_HardFloat
PPC64
IA64
MIPS32
MIPS64
MIPS_O32
MIPS_N32
MIPS_O64
MIPS_N64
MIPS_EABI
MIPS_SoftFloat
MIPS_HardFloat
NVPTX
NVPTX64
SPARC
SPARC_V8Plus
SPARC_SoftFloat
SPARC_HardFloat
SPARC64
S390
SystemZ
HPPA
HPPA64
SH
SH64
Alpha
Alpha_SoftFloat
Alpha_HardFloat
LittleEndian
BigEndian
ELFv1
ELFv2
D_Coverage
D_Ddoc
D_Warnings
D_InlineAsm_X86
D_InlineAsm_X86_64
D_LP64
D_X32
D_HardFloat
D_SoftFloat
D_PIC
D_SIMD
D_Version2
D_NoBoundsChecks
D_ObjectiveC
unittest
assert
none
all
darwin
Thumb
S390X