compiler: Patch CSE in presence of conditionals

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.70%. Comparing base (7f77489) to head (90ad3e4).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2392 +/- ## ======================================= Coverage 86.70% 86.70% ======================================= Files 234 234 Lines 44409 44424 +15 Branches 8220 8219 -1 ======================================= + Hits 38503 38518 +15 Misses 5185 5185 Partials 721 721 ```

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