fix Issue 13459 - segfault in two auto opSlices()
Merge pull request #3983 from 9rnsr/fix13459

Issue 13459 - segfault in two auto opSlices()
[Refactoring] Add helper function for array-op classification
fix Issue 13382 - [e2ir] compare string to int - leads to ICE in e2ir.c 1902