Bug 249842

Summary:	Value::generateCompilerConstructionSite assumes backtrace works
Product:	WebKit	Reporter:	Angelos Oikonomopoulos <angelos>
Component:	JavaScriptCore	Assignee:	Angelos Oikonomopoulos <angelos>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	osvaldo.rivera1994, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Angelos Oikonomopoulos 2022-12-23 04:54:05 PST

Value::generateCompilerConstructionSite assumes we'll get enough frames that it's safe to skip framesToPrint of them. However, backtrace() is not guaranteed to work reliably on all platforms. E.g. we occasionally get zero frames on ARM.

Comment 1 Angelos Oikonomopoulos 2022-12-23 04:59:35 PST

Pull request: https://github.com/WebKit/WebKit/pull/8044

Comment 2 EWS 2022-12-26 02:55:50 PST

Committed 258334@main (ed087739e18c): <https://commits.webkit.org/258334@main>

Reviewed commits have been landed. Closing PR #8044 and removing active labels.

Comment 3 Radar WebKit Bug Importer 2022-12-26 02:56:16 PST

<rdar://problem/103708046>