8348959: [lworld] compiler/c2/TestMergeStores.java fails IR verification

Author: TobiHartmann

test/hotspot/jtreg/ProblemList.txt

@@ -76,7 +76,6 @@ compiler/codecache/CodeCacheFullCountTest.java 8332954 generic-all
 compiler/interpreter/Test6833129.java 8335266 generic-i586
 
 compiler/c2/irTests/scalarReplacement/ScalarReplacementWithGCBarrierTests.java 8342488 generic-all
-compiler/c2/TestMergeStores.java#id1 8348959 generic-all
 
 compiler/ciReplay/TestInliningProtectionDomain.java 8349191 generic-all
 compiler/ciReplay/TestIncrementalInlining.java 8349191 generic-all