compiler: Fix space conditions with loop blocking

[codecov[bot]]

Codecov Report

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

Comparison is base (0f249f2) 86.70% compared to head (bb5a335) 86.71%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2302 +/- ## ======================================= Coverage 86.70% 86.71% ======================================= Files 229 229 Lines 42942 42957 +15 Branches 7957 7958 +1 ======================================= + Hits 37235 37252 +17 + Misses 5023 5021 -2 Partials 684 684 ```

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