[Jprogramming] ^:n always returning atoms for n<_1

Fri May 21 12:15:44 UTC 2021

       9!:14''
    j902-b/j64avx2/linux/release/GPL3/guix.gnu.org/1970-01-01T00:00:00/clang-9-0-1/SLEEF=1

       +&1^:_1 i.3
    _1 0 1
       +&1^:_2 i.3
    _2
       $$ +&1^:_2 i.3
    0

Similar results for other negative exponents smaller than _1.

My beta is a bit behind, but I see the same there, while my j901 is producing
the expected results. Specific version info below:

  j903-h/j64avx2/linux/beta/GPL3/guix.gnu.org/1970-01-01T00:00:00/clang-9-0-1/SLEEF=1
  j901-f/j64avx2/linux/release/GPL3/guix.gnu.org/1970-01-01T00:00:00

Can anyone reproduce?