Fix all DScanner warnings + use -return-exit-code re-enable it#6151

Merged

dlang-bot merged 2 commits intodlang:masterfrom

wilzbach:fix-dscanner

Feb 12, 2018

Commits on Feb 10, 2018

Fix DScanner warnings
wilzbach
committed

Commits on Feb 11, 2018

Use -return-exit-code to fail the testsuite on DScanner failures
wilzbach
committed