I didn't put this under the alignment ticket (DFDL-362) or the hexBinary ticket (DFDL-98) because I'm not entirely sure what's causing the issue. The test is impAlignmentHexBinary, and this is the error:

[info] - test_impAlignmentHexBinary *** FAILED ***
[info] edu.illinois.ncsa.daffodil.exceptions.Abort: scala.MatchError: HexBinary (of class scala.Enumeration$Val)
[info] at edu.illinois.ncsa.daffodil.dsom.oolag.OOLAG$OOLAGValue.edu$illinois$ncsa$daffodil$dsom$oolag$OOLAG$OOLAGValue$$oolagTryCatch(OOLAG.scala:514)
[info] at edu.illinois.ncsa.daffodil.dsom.oolag.OOLAG$OOLAGValue$$anonfun$6.apply(OOLAG.scala:595)
[info] at edu.illinois.ncsa.daffodil.dsom.oolag.OOLAG$OOLAGHost.circularityDetector(OOLAG.scala:236)
[info] at edu.illinois.ncsa.daffodil.dsom.oolag.OOLAG$OOLAGValue.valueAsAny(OOLAG.scala:581)
[info] at edu.illinois.ncsa.daffodil.dsom.oolag.OOLAG$LV.value(OOLAG.scala:677)
[info] at edu.illinois.ncsa.daffodil.grammar.Prod.gram(Grammar.scala:292)
[info] at edu.illinois.ncsa.daffodil.grammar.Prod.deref(Grammar.scala:277)
[info] at edu.illinois.ncsa.daffodil.grammar.Gram.$tilde(Grammar.scala:66)
[info] at edu.illinois.ncsa.daffodil.dsom.ElementBaseGrammarMixin$$anonfun$elementLeftFraming$1.apply(GrammarMixins.scala:779)
[info] at edu.illinois.ncsa.daffodil.dsom.ElementBaseGrammarMixin$$anonfun$elementLeftFraming$1.apply(GrammarMixins.scala:779)
[info] ...

The test is in the following files:
daffodil-test/src/test/resources/edu/illinois/ncsa/daffodil/section12/aligned_data/Aligned_Data.tdml
daffodil-test/src/test/scala/edu/illinois/ncsa/daffodil/section12/aligned_data/TestAlignedData.scala
daffodil-test/src/test/scala-debug/edu/illinois/ncsa/daffodil/section12/aligned_data/TestAlignedDataDebug.scala