[TESTBUG] compiler/stringopts/TestStringObjectInitialization.java fails with OOME

This failure happens once in PIT on Windows-x86
VM options : -Xcomp -XX:MaxRAMFraction=8 -XX:+CreateCoredumpOnCrash -ea -esa -XX:CompileThreshold=100 -XX:+UnlockExperimentalVMOptions -server -XX:-TieredCompilation -XX:+IgnoreUnrecognizedVMOptions -XX:+DeoptimizeALot

#section:main
----------messages:(4/464)----------
command: main -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-CompactStrings -XX:-UseG1GC -XX:+UseParallelGC compiler.stringopts.TestStringObjectInitialization
reason: User specified action: run main/othervm/timeout=300 -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-CompactStrings -XX:-UseG1GC -XX:+UseParallelGC compiler.stringopts.TestStringObjectInitialization
Mode: othervm [/othervm specified]
elapsed time (seconds): 336.474
----------configuration:(0/0)----------
----------System.out:(0/0)----------
----------System.err:(16/1357)----------
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(java.base@9-internal/Arrays.java:3744)
at java.lang.AbstractStringBuilder.ensureCapacityInternal(java.base@9-internal/AbstractStringBuilder.java:146)
at java.lang.AbstractStringBuilder.append(java.base@9-internal/AbstractStringBuilder.java:510)
at java.lang.StringBuilder.append(java.base@9-internal/StringBuilder.java:141)
at compiler.stringopts.TestStringObjectInitialization.add(TestStringObjectInitialization.java:62)
at compiler.stringopts.TestStringObjectInitialization.run(TestStringObjectInitialization.java:67)
at compiler.stringopts.TestStringObjectInitialization$Runner.run(TestStringObjectInitialization.java:80)
at java.lang.Thread.run(java.base@9-internal/Thread.java:843)
java.lang.OutOfMemoryError: Java heap space
at compiler.stringopts.TestStringObjectInitialization.add(TestStringObjectInitialization.java:62)
at compiler.stringopts.TestStringObjectInitialization.run(TestStringObjectInitialization.java:67)
at compiler.stringopts.TestStringObjectInitialization$Runner.run(TestStringObjectInitialization.java:80)
at java.lang.Thread.run(java.base@9-internal/Thread.java:843)