[JSC] Bound function name should be resolved

[Constellation]

4c1d077

[JSC] Bound function name should be resolved
https://bugs.webkit.org/show_bug.cgi?id=254499
rdar://107243150

Reviewed by Ross Kirsling.

JSBoundFunction's name needs to be resolved string.
This patch fixes the case which sets JSRopeString to the name's field.

* JSTests/stress/bound-function-name-rope.js: Added.
(shouldBe):
(test):
* Source/JavaScriptCore/runtime/JSBoundFunction.cpp:
(JSC::JSBoundFunction::nameSlow):

Canonical link: https://commits.webkit.org/262139@main

b881909

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 wincairo
	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🧪 wpe-wk2
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🛠 gtk
	🧪 api-ios	✅ 🧪 mac-wk1	✅ 🧪 gtk-wk2
✅ 🛠 🧪 jsc	✅ 🛠 tv	✅ 🧪 mac-wk2	⏳ 🧪 api-gtk
✅ 🛠 🧪 jsc-arm64	✅ 🛠 tv-sim	✅ 🧪 mac-AS-debug-wk2	✅ 🛠 jsc-armv7
	✅ 🛠 watch	✅ 🧪 mac-wk2-stress	✅ 🧪 jsc-armv7-tests
	✅ 🛠 watch-sim		✅ 🛠 jsc-mips
✅ 🛠 🧪 unsafe-merge			✅ 🧪 jsc-mips-tests

[webkit-early-warning-system]

EWS run on current version of this PR (hash b881909)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 wincairo
	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🧪 wpe-wk2
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🛠 gtk
	🧪 api-ios	✅ 🧪 mac-wk1	✅ 🧪 gtk-wk2
✅ 🛠 🧪 jsc	✅ 🛠 tv	✅ 🧪 mac-wk2	⏳ 🧪 api-gtk
✅ 🛠 🧪 jsc-arm64	✅ 🛠 tv-sim	✅ 🧪 mac-AS-debug-wk2	✅ 🛠 jsc-armv7
	✅ 🛠 watch	✅ 🧪 mac-wk2-stress	✅ 🧪 jsc-armv7-tests
	✅ 🛠 watch-sim		✅ 🛠 jsc-mips
✅ 🛠 🧪 unsafe-merge			✅ 🧪 jsc-mips-tests

[rkirsling]

r=me

[Constellation]

Thanks!

[webkit-commit-queue]

Committed 262139@main (4c1d077): https://commits.webkit.org/262139@main

Reviewed commits have been landed. Closing PR #11991 and removing active labels.