Fix ensurePage for client-side navigation to / in Turbopack

[timneutkens]

While investigating the failing test case of test/integration/scroll-forward-restoration/test/index.test.js I found that navigating from /another to / using next/link with a href="/" errored on ensurePage as "this page was not built". Turns normalization wasn't applied on these so the input page was /index instead of /, where it expects / as the input.

[timneutkens]

Current dependencies on/for this PR:

• canary
  • PR Fix ensurePage for client-side navigation to / in Turbopack #56704 👈

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[ijjk]

Tests Passed

[ijjk]

Stats from current PR

Default Build

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js 10-11-Fix_ensurePage_for_client-side_navigation_to_/_in_turbopack	Change
buildDuration	10.7s	10.7s	N/A
buildDurationCached	6.5s	6.5s	N/A
nodeModulesSize	172 MB	172 MB	⚠️ +1.21 kB
nextStartRea..uration (ms)	898ms	895ms	N/A

Client Bundles (main, webpack)

	vercel/next.js canary	vercel/next.js 10-11-Fix_ensurePage_for_client-side_navigation_to_/_in_turbopack	Change
199-HASH.js gzip	27.5 kB	27.5 kB	N/A
3f784ff6-HASH.js gzip	50.9 kB	50.9 kB	✓
99.HASH.js gzip	182 B	182 B	✓
framework-HASH.js gzip	45.3 kB	45.3 kB	✓
main-app-HASH.js gzip	254 B	252 B	N/A
main-HASH.js gzip	32.9 kB	32.9 kB	N/A
webpack-HASH.js gzip	1.75 kB	1.75 kB	N/A
Overall change	96.4 kB	96.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js 10-11-Fix_ensurePage_for_client-side_navigation_to_/_in_turbopack	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js 10-11-Fix_ensurePage_for_client-side_navigation_to_/_in_turbopack	Change
_app-HASH.js gzip	206 B	205 B	N/A
_error-HASH.js gzip	182 B	180 B	N/A
amp-HASH.js gzip	506 B	505 B	N/A
css-HASH.js gzip	322 B	323 B	N/A
dynamic-HASH.js gzip	2.57 kB	2.57 kB	N/A
edge-ssr-HASH.js gzip	260 B	259 B	N/A
head-HASH.js gzip	350 B	350 B	✓
hooks-HASH.js gzip	369 B	369 B	✓
image-HASH.js gzip	4.35 kB	4.35 kB	N/A
index-HASH.js gzip	256 B	256 B	✓
link-HASH.js gzip	2.64 kB	2.63 kB	N/A
routerDirect..HASH.js gzip	312 B	311 B	N/A
script-HASH.js gzip	385 B	384 B	N/A
withRouter-HASH.js gzip	307 B	308 B	N/A
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Overall change	1.08 kB	1.08 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js 10-11-Fix_ensurePage_for_client-side_navigation_to_/_in_turbopack	Change
_buildManifest.js gzip	485 B	482 B	N/A
Overall change	0 B	0 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js 10-11-Fix_ensurePage_for_client-side_navigation_to_/_in_turbopack	Change
index.html gzip	528 B	530 B	N/A
link.html gzip	541 B	543 B	N/A
withRouter.html gzip	523 B	525 B	N/A
Overall change	0 B	0 B	✓

Edge SSR bundle Size

	vercel/next.js canary	vercel/next.js 10-11-Fix_ensurePage_for_client-side_navigation_to_/_in_turbopack	Change
edge-ssr.js gzip	93.7 kB	93.7 kB	N/A
page.js gzip	152 kB	152 kB	N/A
Overall change	0 B	0 B	✓

Middleware size

	vercel/next.js canary	vercel/next.js 10-11-Fix_ensurePage_for_client-side_navigation_to_/_in_turbopack	Change
middleware-b..fest.js gzip	627 B	624 B	N/A
middleware-r..fest.js gzip	150 B	151 B	N/A
middleware.js gzip	22.9 kB	22.9 kB	N/A
edge-runtime..pack.js gzip	1.92 kB	1.92 kB	✓
Overall change	1.92 kB	1.92 kB	✓

Commit: 18a7d03