IBM XL C/C++ (Clang)

Description

Recent versions of the XL C/C++ compiler from IBM that utilise the Clang backend.

Type	Macro	Format	Description
Identification	`__ibmxl__`
Identification	`__clang__`
Version	`__ibmxl_vrm__`	`0xVVRRMM00`	VV = Version RR = Release MM = Modification
Version	`__ibmxl_version__`	`V`	V = Version
Version	`__ibmxl_release__`	`R`	R = Release
Version	`__ibmxl_modification__`	`M`	M = Modification
Version	`__ibmxl_ptf_fix_level__`	`F`	F = Fix pack

Version	`__ibmxl_vrm`
13.1.6.1	`0x0D010600`
16.1.0.0	`0x10010000`