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[turbopack] Allocate EarlyReturn on an arena#94615

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[turbopack] Allocate EarlyReturn on an arena#94615
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@sampoder sampoder commented Jun 9, 2026

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Follow-up PR to: #94297 (comment).

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github-actions Bot commented Jun 9, 2026 •
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Tests Passed

Commit: 2aab3e6

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Stats from current PR

✅ No significant changes detected

📊 All Metrics
📖 Metrics Glossary

Dev Server Metrics:

  • Listen = TCP port starts accepting connections
  • First Request = HTTP server returns successful response
  • Cold = Fresh build (no cache)
  • Warm = With cached build artifacts

Build Metrics:

  • Fresh = Clean build (no .next directory)
  • Cached = With existing .next directory

Change Thresholds:

  • Time: Changes < 50ms AND < 10%, OR < 2% are insignificant
  • Size: Changes < 1KB AND < 1% are insignificant
  • All other changes are flagged to catch regressions

⚡ Dev Server

Metric Canary PR Change Trend
Cold (Listen) 811ms 810ms ✓ ▂▅▂▅▂
Cold (Ready in log) 781ms 781ms ✓ ▅▄▄▄▂
Cold (First Request) 1.202s 1.213s ✓ ▃▄▃▄▃
Warm (Listen) 809ms 810ms ✓ ▃▅▁▇▅
Warm (Ready in log) 782ms 781ms ✓ ▆▇▄▅▃
Warm (First Request) 597ms 596ms ✓ ▆█▅▆▃
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 811ms 810ms ✓ █████
Cold (Ready in log) 784ms 782ms ✓ █████
Cold (First Request) 3.233s 3.200s ✓ ▆█▇▇▇
Warm (Listen) 810ms 810ms ✓ █████
Warm (Ready in log) 782ms 781ms ✓ █████
Warm (First Request) 3.223s 3.217s ✓ ▆█▇█▇

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 5.069s 5.047s ✓ ▁▃▂▃▁
Cached Build 5.054s 5.041s ✓ ▁▃▂▂▂
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 23.978s 23.924s ✓ ▇▇▇█▇
Cached Build 23.915s 23.866s ✓ ▇████
node_modules Size 510 MB 510 MB ✓ ▁▁███
📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles
Canary PR Change
0_mmk-hpeq702.js gzip 13.6 kB N/A -
01n68n8hhw5d_.js gzip 13.1 kB N/A -
07hsc72npcvsw.js gzip 154 B N/A -
091lqj7mftx18.js gzip 9.44 kB N/A -
0bb0vtp8dwsez.js gzip 450 B N/A -
0cz1d0mv5g_q7.js gzip 39.4 kB 39.4 kB ✓
0et1w1og4qe-w.js gzip 8.77 kB N/A -
0g142pw4-v76e.js gzip 157 B N/A -
0gka33kfmylew.js gzip 5.73 kB N/A -
0kg6p17bcw-mj.js gzip 156 B N/A -
0nxqz3q165m2l.js gzip 220 B N/A -
0q9arq1x6yhfz.js gzip 153 B N/A -
0qtv-fy3-6-d2.js gzip 156 B N/A -
106k2vntvwwyq.js gzip 8.71 kB N/A -
15wrg2j5h1l9b.js gzip 157 B N/A -
17h18zxt1915l.js gzip 1.46 kB N/A -
19f-38ee1pg1h.js gzip 10.6 kB N/A -
1elt1qium-r2m.css gzip 115 B 115 B ✓
1kbf9bipowi5-.js gzip 157 B N/A -
1kxsy26us_qta.js gzip 159 B N/A -
1mpn9k5m63u2c.js gzip 8.82 kB N/A -
1rlli5n1qxsuq.js gzip 52.1 kB N/A -
1zdvc4dx3ssq2.js gzip 65.6 kB N/A -
1zuz4qcpo6_iw.js gzip 233 B N/A -
2-dajsb75845z.js gzip 71 kB N/A -
26xvqnur0qzto.js gzip 2.29 kB N/A -
2cig-t0drayp7.js gzip 8.78 kB N/A -
2f26of93kwaq2.js gzip 8.71 kB N/A -
2mzq6p8iw2eux.js gzip 157 B N/A -
2nygym_m0g8q8.js gzip 155 B N/A -
2puwozfp1b6z1.js gzip 8.77 kB N/A -
2taxvkjo_52n1.js gzip 13 kB N/A -
2tta7i8-pm3y1.js gzip 169 B N/A -
2ugfqzz6jnlhg.js gzip 10.3 kB N/A -
2w_tv3ndkgyn0.js gzip 8.79 kB N/A -
2yv4z4rbdjeyl.js gzip 157 B N/A -
34sv9yx51zdzn.js gzip 10 kB N/A -
3832jw9t4kfff.js gzip 8.79 kB N/A -
3l2-s66d983z-.js gzip 7.61 kB N/A -
3vj9u_3qs3jqn.js gzip 13.9 kB N/A -
434o2iahatt03.js gzip 163 B N/A -
turbopack-00.._wa6.js gzip 3.51 kB N/A -
turbopack-0k..itvk.js gzip 3.52 kB N/A -
turbopack-0l..-p8_.js gzip 3.51 kB N/A -
turbopack-1-..6c2m.js gzip 3.53 kB N/A -
turbopack-1o..y-z6.js gzip 3.51 kB N/A -
turbopack-1o..va5i.js gzip 3.51 kB N/A -
turbopack-1u..-b1t.js gzip 3.52 kB N/A -
turbopack-23..c9ws.js gzip 3.51 kB N/A -
turbopack-23..ntjd.js gzip 3.5 kB N/A -
turbopack-24..ztg0.js gzip 3.51 kB N/A -
turbopack-36..p6ho.js gzip 3.51 kB N/A -
turbopack-3p..a8i9.js gzip 3.51 kB N/A -
turbopack-3r..uewq.js gzip 3.51 kB N/A -
turbopack-3y..e197.js gzip 3.51 kB N/A -
00tc16j5-eos9.js gzip N/A 1.46 kB -
09zhpvggrs_ox.js gzip N/A 13.9 kB -
0f7hqbr6eyno7.js gzip N/A 155 B -
0ftf54asi5ajl.js gzip N/A 9.43 kB -
0j-dsdvj1vveo.js gzip N/A 8.76 kB -
0k6ap6wcstv8g.js gzip N/A 52.1 kB -
0p5s6zz5zpdrv.js gzip N/A 157 B -
0sk8uvv-r7ydu.js gzip N/A 156 B -
0wuhtix5jtpf1.js gzip N/A 152 B -
0zm4go5es1ery.js gzip N/A 159 B -
170t10ub162wk.js gzip N/A 5.74 kB -
1bphlaoc0oqjw.js gzip N/A 8.78 kB -
1e5p7c65hhjno.js gzip N/A 8.71 kB -
1kon91zndf-mv.js gzip N/A 8.79 kB -
1llqf2qgac_-d.js gzip N/A 8.7 kB -
1lphldovrrilz.js gzip N/A 8.77 kB -
1nc0xtdn5mu99.js gzip N/A 65.6 kB -
1r-d1xijdkm8v.js gzip N/A 155 B -
22geiudvi1dh6.js gzip N/A 2.29 kB -
23p7wy6zx0abb.js gzip N/A 10.3 kB -
252lhnudimbv0.js gzip N/A 159 B -
26-_2m-a-02fg.js gzip N/A 156 B -
2ee39g8qw0kdi.js gzip N/A 10 kB -
2j007o3k44oed.js gzip N/A 8.76 kB -
2vhmp74csw0ql.js gzip N/A 232 B -
2vn0l6vcof8b6.js gzip N/A 8.81 kB -
30h_m0irj-q6p.js gzip N/A 221 B -
31_boked0fakj.js gzip N/A 71 kB -
38c63ct4i1cy7.js gzip N/A 449 B -
39kshdfkb5_dc.js gzip N/A 12.9 kB -
3b2asspgpc0ko.js gzip N/A 168 B -
3bxtggll2q95f.js gzip N/A 13.1 kB -
3kzc9t3aw7glu.js gzip N/A 7.61 kB -
3odxdre6eq76l.js gzip N/A 155 B -
3q3460s1vbepg.js gzip N/A 154 B -
3r_e3miyoy72m.js gzip N/A 160 B -
3woejna8_q3bt.js gzip N/A 157 B -
3xjvvbpazem9e.js gzip N/A 10.6 kB -
438815bhbzqil.js gzip N/A 13.6 kB -
turbopack-04..huln.js gzip N/A 3.51 kB -
turbopack-1a..9mmh.js gzip N/A 3.51 kB -
turbopack-1c..7yrk.js gzip N/A 3.51 kB -
turbopack-1r..88a0.js gzip N/A 3.51 kB -
turbopack-26..w2g3.js gzip N/A 3.52 kB -
turbopack-2e..wudh.js gzip N/A 3.51 kB -
turbopack-2l..r54t.js gzip N/A 3.51 kB -
turbopack-2l..rk06.js gzip N/A 3.49 kB -
turbopack-2m..17l-.js gzip N/A 3.51 kB -
turbopack-2o..hfl4.js gzip N/A 3.51 kB -
turbopack-2s..788-.js gzip N/A 3.51 kB -
turbopack-39..7777.js gzip N/A 3.51 kB -
turbopack-3f..n90h.js gzip N/A 3.51 kB -
turbopack-40..1o6b.js gzip N/A 3.51 kB -
Total 461 kB 461 kB ✅ -143 B

Server

Middleware
Canary PR Change
middleware-b..fest.js gzip 728 B 722 B ✓
Total 728 B 722 B ✅ -6 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 432 B 436 B ✓
Total 432 B 436 B ⚠️ +4 B

📦 Webpack

Client

Main Bundles
Canary PR Change
2486.HASH.js gzip 169 B N/A -
3146-HASH.js gzip 62 kB N/A -
39fcf99b-HASH.js gzip 62.8 kB N/A -
8443-HASH.js gzip 4.69 kB N/A -
9431-HASH.js gzip 5.63 kB N/A -
framework-HASH.js gzip 59.8 kB 59.8 kB ✓
main-app-HASH.js gzip 256 B 253 B 🟢 3 B (-1%)
main-HASH.js gzip 39.4 kB 39.8 kB 🔴 +433 B (+1%)
webpack-HASH.js gzip 1.68 kB 1.68 kB ✓
6105-HASH.js gzip N/A 5.64 kB -
764.HASH.js gzip N/A 169 B -
8898-HASH.js gzip N/A 61.4 kB -
9597-HASH.js gzip N/A 4.67 kB -
e1ccab69-HASH.js gzip N/A 62.8 kB -
Total 236 kB 236 kB ✅ -175 B
Polyfills
Canary PR Change
polyfills-HASH.js gzip 39.4 kB 39.4 kB ✓
Total 39.4 kB 39.4 kB ✓
Pages
Canary PR Change
_app-HASH.js gzip 194 B 194 B ✓
_error-HASH.js gzip 183 B 182 B ✓
css-HASH.js gzip 335 B 335 B ✓
dynamic-HASH.js gzip 1.8 kB 1.8 kB ✓
edge-ssr-HASH.js gzip 255 B 254 B ✓
head-HASH.js gzip 351 B 349 B ✓
hooks-HASH.js gzip 384 B 384 B ✓
image-HASH.js gzip 580 B 581 B ✓
index-HASH.js gzip 259 B 259 B ✓
link-HASH.js gzip 2.53 kB 2.52 kB ✓
routerDirect..HASH.js gzip 319 B 319 B ✓
script-HASH.js gzip 386 B 386 B ✓
withRouter-HASH.js gzip 315 B 313 B ✓
1afbb74e6ecf..834.css gzip 106 B 106 B ✓
Total 7.99 kB 7.99 kB ✅ -7 B

Server

Edge SSR
Canary PR Change
edge-ssr.js gzip 126 kB 126 kB ✓
page.js gzip 280 kB 280 kB ✓
Total 406 kB 407 kB ⚠️ +750 B
Middleware
Canary PR Change
middleware-b..fest.js gzip 616 B 614 B ✓
middleware-r..fest.js gzip 156 B 155 B ✓
middleware.js gzip 44.9 kB 44.8 kB ✓
edge-runtime..pack.js gzip 842 B 842 B ✓
Total 46.5 kB 46.4 kB ✅ -137 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 719 B 717 B ✓
Total 719 B 717 B ✅ -2 B
Build Cache
Canary PR Change
0.pack gzip 4.56 MB 4.55 MB 🟢 6.22 kB (0%)
index.pack gzip 114 kB 115 kB 🔴 +1.19 kB (+1%)
index.pack.old gzip 115 kB 117 kB 🔴 +1.6 kB (+1%)
Total 4.79 MB 4.78 MB ✅ -3.43 kB

🔄 Shared (bundler-independent)

Runtimes
Canary PR Change
app-page-exp...dev.js gzip 356 kB 356 kB ✓
app-page-exp..prod.js gzip 197 kB 197 kB ✓
app-page-tur...dev.js gzip 356 kB 356 kB ✓
app-page-tur..prod.js gzip 197 kB 197 kB ✓
app-page-tur...dev.js gzip 353 kB 353 kB ✓
app-page-tur..prod.js gzip 195 kB 195 kB ✓
app-page.run...dev.js gzip 353 kB 353 kB ✓
app-page.run..prod.js gzip 195 kB 195 kB ✓
app-route-ex...dev.js gzip 77.8 kB 77.8 kB ✓
app-route-ex..prod.js gzip 53.1 kB 53.1 kB ✓
app-route-tu...dev.js gzip 77.8 kB 77.8 kB ✓
app-route-tu..prod.js gzip 53.1 kB 53.1 kB ✓
app-route-tu...dev.js gzip 77.4 kB 77.4 kB ✓
app-route-tu..prod.js gzip 52.9 kB 52.9 kB ✓
app-route.ru...dev.js gzip 77.4 kB 77.4 kB ✓
app-route.ru..prod.js gzip 52.8 kB 52.8 kB ✓
dist_client_...dev.js gzip 324 B 324 B ✓
dist_client_...dev.js gzip 326 B 326 B ✓
dist_client_...dev.js gzip 318 B 318 B ✓
dist_client_...dev.js gzip 317 B 317 B ✓
pages-api-tu...dev.js gzip 44.3 kB 44.3 kB ✓
pages-api-tu..prod.js gzip 33.8 kB 33.8 kB ✓
pages-api.ru...dev.js gzip 44.3 kB 44.3 kB ✓
pages-api.ru..prod.js gzip 33.7 kB 33.7 kB ✓
pages-turbo....dev.js gzip 53.7 kB 53.7 kB ✓
pages-turbo...prod.js gzip 39.4 kB 39.4 kB ✓
pages.runtim...dev.js gzip 53.6 kB 53.6 kB ✓
pages.runtim..prod.js gzip 39.4 kB 39.4 kB ✓
server.runti..prod.js gzip 63.4 kB 63.4 kB ✓
use-cache-pr...dev.js gzip 70.6 kB 70.6 kB ✓
use-cache-pr...dev.js gzip 70.7 kB 70.7 kB ✓
use-cache-pr...dev.js gzip 69 kB 69 kB ✓
use-cache-pr...dev.js gzip 69 kB 69 kB ✓
Total 3.41 MB 3.41 MB ✓
📎 Tarball URL 
https://vercel-packages.vercel.app/next/commits/2aab3e6d970a779f40f33ce07c529860f3b8821d/next

Commit: 2aab3e6

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@sampoder