[Bug c++/109501] vec_test_data_class defines missing

[chip.kerchner at ibm dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109501

--- Comment #2 from Chip Kerchner <chip.kerchner at ibm dot com> ---
'__VEC_CLASS_FP_NAN' was not declared in this scope