Fix Issue 20130 - ICE when casting from string to other array type du…

[BorisCarvajal]

…e to __ArrayCast not being written

[dlang-bot]

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Bugzilla references

Auto-close	Bugzilla	Severity	Description
✓	20130	regression	ICE when casting from string to other array type due to __ArrayCast not being written

Testing this PR locally

If you don't have a local development environment setup, you can use Digger to test this PR:

dub run digger -- build "stable + dmd#10941"