[Webkit-unassigned] [Bug 170354] New: Web Inspector: Unexpected execution highlight behavior when pausing in anonymous function

Fri Mar 31 12:11:00 PDT 2017

https://bugs.webkit.org/show_bug.cgi?id=170354

            Bug ID: 170354
           Summary: Web Inspector: Unexpected execution highlight behavior
                    when pausing in anonymous function
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mattbaker at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

Created attachment 305994

  --> https://bugs.webkit.org/attachment.cgi?id=305994&action=review

[Reduction] test page

Summary:
Unexpected execution highlight behavior when pausing in anonymous function.

Test Page:
<html>
<script>
(function() {
    debugger;
})();
</script>
</html>

Steps to Reproduce:
1. Inspect test page
2. Reload page and pause for debugger statement
  => Execution highlight covers entire function
  => <html> tag is missing from editor
3. Resume debugger
  => <html> tag reappears
4. Remove <html> tag from file, repeat test
  => Behaves normally

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