[Webkit-unassigned] [Bug 144757] New: Web Inspector: BasicBlockAnnotator highlights incorrect range for first statement with class

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=144757

            Bug ID: 144757
           Summary: Web Inspector: BasicBlockAnnotator highlights
                    incorrect range for first statement with class
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: joepeck at webkit.org
                CC: graouts at webkit.org, joepeck at webkit.org,
                    jonowells at apple.com, mattbaker at apple.com,
                    nvasilyev at apple.com, timothy at apple.com,
                    webkit-bug-importer at group.apple.com

Created attachment 252620
  --> https://bugs.webkit.org/attachment.cgi?id=252620&action=review
[ISSUE] Test case

* SUMMARY
BasicBlockAnnotator highlights incorrect range for first statement with class.

See attached screenshot. "A" is highlighted, but I expected "Alpha = class Alpha {" to be highlighted like the other class statements below it.

* STEPS TO REPRODUCE
1. Inspect attached test page (in zip) [type-test.html]
2. Select Resource "type-test.js"
3. Enable Type Profiling
4. Reload
  => First line is not properly highlighted as evaluated

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