This bug was filed from the Socorro interface and is report bp-31d3b863-0c6b-491d-a9a9-6bfb12170416. ============================================================= There are 89 crashes in nightly 55 with buildid 20170416030209. In analyzing the backtrace the regression may have been introduced by patch  to fix bug 1355931.  https://hg.mozilla.org/mozilla-central/rev?node=176ab833ca364efd64968171d4e62341dfcf8858
This crash signature is #5 in windows topcrashers.
Created attachment 8858825 [details] [diff] [review] add missing UnscaledFontGDI::GetFontInstanceData Forgot to add in the implementation of UnscaledFontGDI::GetInstanceData, so creation of GDI unscaled fonts during printing was always failing.
Pushed by email@example.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/dda22469d7f2 add missing UnscaledFontGDI::GetFontInstanceData. r=jrmuizel