libgfortran/ChangeLog:
PR libfortran/104233
* ieee/issignaling_fallback.h: Check GFC_REAL_16_IS_FLOAT128
instead of __FLT128_IS_IEC_60559__.
#endif
-#if __FLT128_IS_IEC_60559__
+#if defined(GFC_REAL_16_IS_FLOAT128)
-/* We have a _Float128 type. */
+/* We have a __float128 type. */
typedef union
{
/* Define the type-generic macro based on the functions above. */
-#if __FLT128_IS_IEC_60559__
+#if defined(GFC_REAL_16_IS_FLOAT128)
# define issignaling(X) \
_Generic ((X), \
__float128: __issignalingf128, \