backout b707277861fc (bug 903513) for mac bustage
Bug 903041 - Exactly root --enable-more-deterministic builds; r=jonco

--HG--
extra : rebase_source : 9da7fb9f4c1b803dfb59c82e8651090d1eb6acc0
Bug 875247 - Use DXVA2 via D3D11 on Windows 8 to avoid readback of video frames when we turn on OMTC on Windows 8. r=Bas,padenot,gps
Bug 903501 - part 1 - delete unused |sigil| variable in AssemblerBuffer::getInst; r=jandem
Bug 903501 - part 2 - eliminate signed-unsigned comparison warning in AssemblerBuffer::getInst; r=jandem
Bug 903501 - part 3 - mark DebugOnly variables in AssemblerBufferWithConstantPool methods; r=jandem
Bug 903501 - part 4 - initialize BufferSlice members in a form amenable to -Wreorder; r=jandem
Bug 903501 - part 5 - mark variables as DebugOnly in Assembler-arm.cpp; r=jandem
Bug 903501 - part 6 - mark DebugOnly variable in TryToSpecializeBinaryArithOp; r=jandem
Bug 903501 - part 7 - delete unused variables in IonRuntime::generateEnterJIT; r=jandem
Bug 848098 - Annotate test_recursion.html for intermittent OSX asserts.
Bug 903501 followup - fix this CLOSED TREE by adding a using declaration; r=bustage
Backed out changeset ce3a1df4d559 (bug 875247) for mochitest-mc crashes.