This patch series extends and improves validate_failures.py script to provide a powerful tool to handle DejaGnu test results in automated CI environment.
Linaro TCWG uses validate_failures.py to ... - compare test results without human oversight, - detect unexpected FAILs vs baseline, - detect unexpected PASSes vs baseline, - automatically detect flaky tests, - create lists of expected failures and flaky tests, see [1]. [1] https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/lastSuccessfulBuild/artifact/artifacts/sumfiles/xfails.xfail/*view*/
