Fix Issue 20280 - Compiler segfault when building two small files

[RazvanN7]

No description provided.

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Bugzilla references

Auto-close	Bugzilla	Severity	Description
✓	20280	critical	Compiler segfault when building two small files

Testing this PR locally

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

dub fetch digger
dub run digger -- build "stable + dmd#10465"

[Geod24]

Doesn't look like this file is in this PR

[RazvanN7]

I think that the buildkite failure is unrelated to this patch.

[thewilsonator]

They seem annoyingly consistent, but they do look unrelated. Maybe try rebasing?

[wilzbach]

I think that the buildkite failure is unrelated to this patch.

Agreed.