# elif ((defined __APPLE__ && defined __MACH__ \
? 4 < __GNUC__ + (1 <= __GNUC_MINOR__) \
: __GNUC__) \
- || __HP_cc || __HP_aCC || __IBMC__ || __IBMCPP__ \
- || __ICC || 0x590 <= __SUNPRO_C)
+ || 061200 <= __HP_cc || 061200 <= __HP_aCC \
+ || __ICC || 0x590 <= __SUNPRO_C || 0x0600 <= __xlC__)
# define _Alignas(a) __attribute__ ((__aligned__ (a)))
# elif 1300 <= _MSC_VER
# define _Alignas(a) __declspec (align (a))