This test is failing in the JDK16 CI due to:

    JDK-8254785 compiler/graalunit/HotspotTest.java failed with "missing Graal intrinsics for: java/lang/StringLatin1.indexOfChar([BIII)I"

Here's the context diffs:

$ git diff
diff --git a/test/hotspot/jtreg/ProblemList.txt b/test/hotspot/jtreg/ProblemList.txt
index 8eff376e155..b2c70d5f8e8 100644
--- a/test/hotspot/jtreg/ProblemList.txt
+++ b/test/hotspot/jtreg/ProblemList.txt
@@ -64,6 +64,8 @@ compiler/rtm/print/TestPrintPreciseRTMLockingStatistics.java 8183263 generic-x64
 
 compiler/c2/Test8004741.java 8235801 generic-all
 
+compiler/graalunit/HotspotTest.java 8254785 generic-all
+
 #############################################################################
 
 # :hotspot_gc