A DESCRIPTION OF THE PROBLEM :
The test case failed with unexpected StringIndexOutOfBoundsException.

ACTUAL -
java.lang.StringIndexOutOfBoundsException: String index out of range: -1

at java.lang.String.charAt(String.java:658)
at jdk.jfr.internal.Utils.formatDataAmount(Utils.java:109)
at jdk.jfr.internal.Utils.formatBits(Utils.java:127)

---------- BEGIN SOURCE ----------
    @Test
    public void test_formatBits(){

        long long0 = -9223372036854775808L;
        jdk.jfr.internal.Utils.formatBits(long0);

    }
---------- END SOURCE ----------

FREQUENCY : occasionally