We basically need a windows debug build with the diagnostic patch in comment #59 of 842473 that makes the assertion crash and then upload the symbols to socorro. Check this https://bugzilla.mozilla.org/show_bug.cgi?id=842473#c59 for more info. If we need more info on requirements please reach out to :khuey or :kairo who will be able to help.
khuey and I figured this out on IRC, resulting in https://tbpl.mozilla.org/?tree=Try&rev=2f8a9ac73db3. When the user crashes using that build  khuey will acquire the minidump from Socorro, then combine it with the full set of symbols uploaded during the try run  in his debugger. Please reopen if that doesn't work out.  http://firstname.lastname@example.org/try-win32/firefox-19.0.2.en-US.win32.installer.exe  http://email@example.com/try-win32/firefox-19.0.2.en-US.win32.crashreporter-symbols-full.zip
Status: NEW → RESOLVED
Last Resolved: 6 years ago
Resolution: --- → FIXED
Component: Release Engineering: Custom Builds → Release Engineering: Releases
Product: mozilla.org → mozilla.org
Product: mozilla.org → Release Engineering
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