Rewrite checkUniques and incorporate into validate

This should catch duplicate uniques in the future before Bad Things
happen.

Test Plan: Introduce a duplicate unique and validate

Reviewers: austin, hvr, thomie

Reviewed By: hvr, thomie

Subscribers: thomie

Differential Revision: https://phabricator.haskell.org/D1521

1 files changed, 2 insertions, 0 deletions

diff --git a/validate b/validate
index 4c123fe844..3b2100235b 100755
--- a/validate
+++ b/validate
@@ -157,6 +157,8 @@ if [ $be_quiet -eq 1 ]; then
     make="$make -s"
 fi
 
+$make -C utils/checkUniques
+
 if [ $testsuite_only -eq 0 ]; then
 
 if [ $no_clean -eq 0 ]; then