nan is outside the range of representable values of type 'int'

[lionel-]

From clang-UBSAN: https://www.stats.ox.ac.uk/pub/bdr/memtests/clang-UBSAN/vctrs/tests/testthat.Rout

Somehow wasn't picked up by the r-hub sanitizers machine.

[DavisVaughan]

Need a if (isnan(elt)) {} check here

vctrs/src/subscript.c

Line 137 in 63b2712

int out_elt = (int) elt;