math: Fix test triggering a segfault in 1.7 compiler
math: Fix test triggering a segfault in 1.7 compiler

  math/all_test.go:3051: internal compiler error: unhandled stmt SQRT

Seems the compiler wasn't too happy with not using the result of Sqrt().

Signed-off-by: Damien Lespiau <64bd3cb94f359c1a3ce68dae5e26b40578526277@gmail.com>

dlespiau/dax,dlespiau/dax