perf(semantic): grow unresolved_references by doubling

[overlookmotel]

Grow stack of unresolved references by doubling rather than incrementing. This will initialize more entries than required in some cases, but in return it makes the branch on when to grow more predictable.

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[overlookmotel]

• perf(semantic): grow unresolved_references by doubling #4387 👈
• perf(semantic): remove a branch from add_scope #4384
• perf(semantic): simplify logic in enter_scope + leave_scope #4383
• main

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[codspeed-hq]

CodSpeed Performance Report

Merging #4387 will not alter performance

_{Comparing 07-21-perf_semantic_grow_unresolved_references_by_doubling (4dd2c9a) with main (e70c67b)}

Summary

✅ 32 untouched benchmarks

[overlookmotel]

Run the benchmarks 3 times. 2 out of 3 times it was a perf regression, and 3rd time only a minor gain. So closing.