Because the DebugInfo type is hidden and so can't be reconstructed in the remote process.
Otherwise it doesn't work with multiprocessing, which breaks debugging wpt on Windows.
Comment on attachment 9012870 [details] Bug 1494963 - Expose mozdebug's DebuggerInfo type Andrew Halberstadt [:ahal] has approved the revision.
Attachment #9012870 - Flags: review+
Pushed by firstname.lastname@example.org: https://hg.mozilla.org/integration/autoland/rev/839af7099c44 Expose mozdebug's DebuggerInfo type r=ahal
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