test dacapo-xalan_0 fails on JDK8 Arm32

[Haroon-Khel]

test dacapo-xalan_0 in the jdk8 hs extended perf test suite fails on arm32

Latest failure https://ci.adoptopenjdk.net/job/Test_openjdk8_hs_extended.perf_arm_linux/26/tapResults/ I have rerun the test on other arm32 machines, still fails

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Running test dacapo-xalan_0 ...
===============================================
dacapo-xalan_0 Start Time: Wed Nov  3 13:19:34 2021 Epoch Time (ms): 1635945574285
variation: NoOptions
JVM_OPTIONS:  
Using scaled threading model. 32 processors detected, 32 threads used to drive the workload, in a possible range of [1,100]
===== DaCapo 9.12-MR1 xalan starting =====
; SystemID: file:///home/jenkins/workspace/Grinder/aqa-tests/TKG/output_16359455736097/dacapo-xalan_0/./scratch/xalan/xmlspec.xsl; Line#: 639; Column#: 29
javax.xml.transform.TransformerException: java.lang.RuntimeException: Programmer assertion is incorrect! - Can not setRoot on a non-iterated NodeSequence!
	at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2405)
	at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1376)
	at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:395)
	at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:178)