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