Bug 249842 - Value::generateCompilerConstructionSite assumes backtrace works
Summary: Value::generateCompilerConstructionSite assumes backtrace works
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Angelos Oikonomopoulos
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2022-12-23 04:54 PST by Angelos Oikonomopoulos
Modified: 2022-12-26 02:56 PST (History)
2 users (show)

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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>