Comment #2 on issue 7912 by [email protected]: Crash -  
v8::Value::Int32Value()
http://code.google.com/p/chromium/issues/detail?id=7912

The following revision refers to this bug:
     http://src.chromium.org/viewvc/chrome?view=rev&revision=10253

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r10253 | [email protected] | 2009-02-23 23:41:08 -0800 (Mon, 23 Feb  
2009) | 6 lines
Changed paths:
    M  
http://src.chromium.org/viewvc/chrome/trunk/src/webkit/port/bindings/v8/v8_proxy.cpp?r1=10253&r2=10252

Add a check for empty handle in V8Proxy::GetSourceLineNumber()

If an exception occours in some of the code used to locate the line number  
of the source on the top stack frame an empty handle will be returned and  
using Int32Value on it will cause a crash. As of now I have not been able  
to find a case where an exception to happens though.

BUG=7912
Review URL: http://codereview.chromium.org/28024
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