improve count hash set edge case handling, fix negative bottom connection counting

[sokra]

Description

There are some bugs when counting negative entries

Testing Instructions

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
examples-designsystem-docs	🔄 Building (Inspect)	Visit Preview	💬 Add feedback	Nov 8, 2023 9:16am
examples-kitchensink-blog	🔄 Building (Inspect)	Visit Preview	💬 Add feedback	Nov 8, 2023 9:16am
examples-svelte-web	🔄 Building (Inspect)	Visit Preview	💬 Add feedback	Nov 8, 2023 9:16am

8 Ignored Deployments

Name	Status	Preview	Comments	Updated (UTC)
examples-basic-web	⬜️ Ignored (Inspect)	Visit Preview		Nov 8, 2023 9:16am
examples-cra-web	⬜️ Ignored (Inspect)	Visit Preview		Nov 8, 2023 9:16am
examples-gatsby-web	⬜️ Ignored (Inspect)	Visit Preview		Nov 8, 2023 9:16am
examples-native-web	⬜️ Ignored (Inspect)			Nov 8, 2023 9:16am
examples-nonmonorepo	⬜️ Ignored (Inspect)	Visit Preview		Nov 8, 2023 9:16am
examples-tailwind-web	⬜️ Ignored (Inspect)	Visit Preview		Nov 8, 2023 9:16am
examples-vite-web	⬜️ Ignored (Inspect)	Visit Preview		Nov 8, 2023 9:16am
turbo-site	⬜️ Ignored (Inspect)	Visit Preview		Nov 8, 2023 9:16am

[github-actions]

✅ This change can build next-swc

[github-actions]

🟢 CI successful 🟢

Thanks

[github-actions]

🟢 Turbopack Benchmark CI successful 🟢

Thanks

[github-actions]

Linux Benchmark for fab1455

Click to view benchmark

Test	Base	PR	%	Significant %
bench_hmr_to_commit/Turbopack CSR/1000 modules	64.83ms ± 5.98ms	64.21ms ± 4.93ms	-0.96%
bench_hmr_to_eval/Turbopack CSR/1000 modules	62.77ms ± 4.93ms	61.49ms ± 5.07ms	-2.04%
bench_startup/Turbopack CSR/1000 modules	1041.36ms ± 3.72ms	1045.37ms ± 4.13ms	+0.39%

[github-actions]

Linux Benchmark for 3077c46

Click to view benchmark

Test	Base	PR	%	Significant %
bench_hmr_to_commit/Turbopack CSR/1000 modules	63.60ms ± 5.15ms	62.75ms ± 5.42ms	-1.33%
bench_hmr_to_eval/Turbopack CSR/1000 modules	65.67ms ± 4.56ms	64.17ms ± 4.84ms	-2.29%
bench_startup/Turbopack CSR/1000 modules	1040.51ms ± 4.45ms	1048.85ms ± 7.47ms	+0.80%