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          <th>Bug ID</th>

          <td><a class="bz_bug_link 

          bz_status_NEW "

   title="NEW - Not possible to GDB WebKitGtk+ 2.13.3: demangler-warning: unable to demangle"

   href="https://bugs.webkit.org/show_bug.cgi?id=159919">159919</a>

          </td>

        </tr>

        <tr>

          <th>Summary</th>

          <td>Not possible to GDB WebKitGtk+ 2.13.3: demangler-warning: unable to demangle

          </td>

        </tr>

        <tr>

          <th>Classification</th>

          <td>Unclassified

          </td>

        </tr>

        <tr>

          <th>Product</th>

          <td>WebKit

          </td>

        </tr>

        <tr>

          <th>Version</th>

          <td>WebKit Nightly Build

          </td>

        </tr>

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          <th>Hardware</th>

          <td>Unspecified

          </td>

        </tr>

        <tr>

          <th>OS</th>

          <td>Unspecified

          </td>

        </tr>

        <tr>

          <th>Status</th>

          <td>NEW

          </td>

        </tr>

        <tr>

          <th>Severity</th>

          <td>Normal

          </td>

        </tr>

        <tr>

          <th>Priority</th>

          <td>P2

          </td>

        </tr>

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          <th>Component</th>

          <td>WebKit Gtk

          </td>

        </tr>

        <tr>

          <th>Assignee</th>

          <td>webkit-unassigned&#64;lists.webkit.org

          </td>

        </tr>

        <tr>

          <th>Reporter</th>

          <td>agomez&#64;igalia.com

          </td>

        </tr>

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          <th>CC</th>

          <td>bugs-noreply&#64;webkitgtk.org

          </td>

        </tr></table>

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        <pre>I'm using WebKitGtk+ with my own JHBuild setting:

<a href="https://github.com/tanty/jhbuild-epiphany/tree/master">https://github.com/tanty/jhbuild-epiphany/tree/master</a>

Epiphany 3.20.3 and WebKit 2.13.3

I'm running Epiphany with the dconf key:

&quot;process-model&quot; = &quot;shared-secondary-process&quot;

The compilation was done with CMake args:

'-DPORT=GTK -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS_RELEASE=&quot;-O0 -g1 -DNDEBUG -DG_DISABLE_CAST_CHECKS&quot; -DCMAKE_CXX_FLAGS_RELEASE=&quot;-O0 -g1 -DNDEBUG -DG_DISABLE_CAST_CHECKS&quot;'

When trying to attach with gdb to any of the running processes (epiphany, WebKitNetworkProcess or WebKitWebProcess), I get:

/build/gdb-7.10/gdb/cp-support.c:1595: demangler-warning: unable to demangle '_ZSt7forwardIRZN6WebKit29NetworkConnectionToWebProcess26writeBlobsToTemporaryFilesERKN3WTF6VectorINS2_6StringELm0ENS2_15CrashOnOverflowELm16EEEmEUlRT_E_EOS9_RNSt16remove_referenceIS9_E4typeE' (demangler failed with signal 11)

And the only option is to exit the debugging session.</pre>

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