[Webkit-unassigned] [Bug 99686] New: Web Inspector: Crash in inspector when using strict mode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=99686

           Summary: Web Inspector: Crash in inspector when using strict
                    mode
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: Windows 7
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: yeecheng.chin+webkit at gmail.com
                CC: keishi at webkit.org, pmuellr at yahoo.com,
                    pfeldman at chromium.org, yurys at chromium.org,
                    apavlov at chromium.org, loislo at chromium.org,
                    vsevik at chromium.org,
                    web-inspector-bugs at googlegroups.com


Created an attachment (id=169347)
 --> (https://bugs.webkit.org/attachment.cgi?id=169347&action=review)
Test page. Open the inspector and reload to hit the debugger statement.

The web inspector's JavaScript debugger would crash when inspecting code set in strict mode.

In the attached test page, I have a "debugger" statement in the body onload event handler, which has "use strict" at the beginning (you may need to reload the page after opening the inspector). When the debugger statement has caused the debugger to pause, go to "Watch Expressions" and add a new expression "this" (which technically should be mapped to nothing under strict mode). Right after adding it the inspector should crash, and it sometimes crashes the whole Safari browser too.

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