warning: mathematical notation character <U+00B2> in an identifier is a Clang extension

[makslevental]

https://github.com/Xilinx/llvm-aie/blob/aie-public/clang/lib/Headers/aiev2_vmult.h#L23415

addmac_²4_conf(v64bfloat16 a, v64bfloat16_sparse b, v16accfloat acc1,
               v16accfloat acc2, int zero_acc1, int sub_mul, int sub_acc1,
               int sub_acc2) {

Not sure if this is intentional?

[martien-de-jong]

No, that can't be intentional. We'll get that right.