fix Issue 11755 - Operator <>= and !<>= with arrays make internal error in e2ir

Currently backend layer implicitly translates NCEG operators to the corresponding integer operators in non-floating comparisons. If no corresponding operator exists, it had been reported backend error, and now ICE causes.
Merge pull request #3000 from 9rnsr/fix11755

[REG2.065a] Issue 11755 - Operator <>= and !<>= with arrays make internal error in e2ir