hg: build-infra/jdk9: Make it possible to compare object files

[erik.joelsson at oracle.com]

Changeset: 3faa2626cede
Author:    erikj
Date:      2014-09-30 17:30 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/3faa2626cede

Make it possible to compare object files

! common/bin/compare.sh