RFR: JDK-8224145: Build compare script fails intermittently on test image native libraries

[Tim Bell]

Erik:

> Since I added comparing of the test image, we have seen some
> intermittent compare failures in the baseline compare builds we run. The
> root cause of these failures are that the native libraries in the test
> image are not stripped of debug information, like the product native
> libraries are. Non stripped libraries are notoriously hard to build in a
> reproducible way, so I'm fixing this by simply stripping the test
> libraries before comparing them on the affected platforms.
>
> On Linux, only the gtest version of libjvm.so needs to be stripped. On
> Solaris and macosx, all libraries and executables need it. By stripping
> them, we no longer need to skip the simple binary diff check.
>
> I have run the baseline compare builds at least 3 times on each platform
> with this change without seeing failures.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8224145
>
> Webrev: http://cr.openjdk.java.net/~erikj/8224145/webrev.01/index.html

Looks good.

Tim