e2560ac cmd/compile: move Node.Initorder to flags

Authored and Committed by Josh Bleecher Snyder 8 years ago
    cmd/compile: move Node.Initorder to flags
    
    Grand savings: 6 bits.
    
    Change-Id: I364be54cc41534689e01672ed0fe2c10a560d3d4
    Reviewed-on: https://go-review.googlesource.com/41794
    Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
    Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
    TryBot-Result: Gobot Gobot <gobot@golang.org>