Bug 842201 - SVGUnitTypes interface object is not being instantiated r=bz
Bug 848319: IonMonkey: Enable hoisting of MRegExp, r=sstangl
Bug 850396 - Disable single-tile paint path in BasicTiledThebesLayer. r=bgirard

This code-path has always had issues, but the fix in bug 842389 causes them
to be exposed more frequently.
Bug 843402 - Make all always-inlined methods just inline, and let the compiler choose how to optimize.  r=http://perf.snarkfest.net/compare-talos/index.html?oldRevs=7ad145f9b092&newRev=6be7cad95d97&submit=true is a wash
Bug 850408 - Part 1: Remove Snow Leopard OS checks in gfx and xre. r=joshmoz