RFR: JDK-8198318 Make build comparisons clean again

[Erik Joelsson]

Looks good except for my typo that Tim pointed out. I didn't know that I 
was so close to done. :)

/Erik


On 2018-02-16 15:01, Magnus Ihse Bursie wrote:
> Over time, small differences has accumulated in the build that makes 
> it non-reproducible. This patch addresses some of these, and modifies 
> compare.sh to properly handles those that cannot be fixed.
>
> This patch is mainly due to Erik, who wrote most of it. I've mostly 
> finished it up.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8198318
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8198318-make-build-comparisons-clean-again/webrev.01
>
> /Magnus