diff --git a/test/studies/shootout/reverse-complement/bradc/revcomp-blc-begin-const-ref.verify.prediff b/test/studies/shootout/reverse-complement/bradc/revcomp-blc-begin-const-ref.verify.prediff
new file mode 100755
index 000000000000..d3ffc7a1ea1c
--- /dev/null
+++ b/test/studies/shootout/reverse-complement/bradc/revcomp-blc-begin-const-ref.verify.prediff
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+sed -i '' -r "s/MAI-CHE-CKS-[0-9]+/MAI-CHE-CKS-nnnn/g" $2
+sed -i '' -r "s/chpl version .*/chpl version mmmm/g" $2
+perl -pi -e 'chomp if eof' $2
diff --git a/test/studies/shootout/reverse-complement/bradc/revcomp-blc-copyPropBug.prediff b/test/studies/shootout/reverse-complement/bradc/revcomp-blc-copyPropBug.prediff
new file mode 100755
index 000000000000..f5803638685b
--- /dev/null
+++ b/test/studies/shootout/reverse-complement/bradc/revcomp-blc-copyPropBug.prediff
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+sed -i '' -r "s/OPT-COP-ION-[0-9]+/OPT-COP-ION-nnnn/g" $2
+sed -i '' -r "s/chpl version .*/chpl version mmmm/g" $2
+perl -pi -e 'chomp if eof' $2