[Webkit-unassigned] [Bug 249842] New: Value::generateCompilerConstructionSite assumes backtrace works

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=249842

            Bug ID: 249842
           Summary: Value::generateCompilerConstructionSite assumes
                    backtrace works
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: angelos at igalia.com

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.

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