hg: jdk/sandbox: 8234377: new BitArray(0).toString() throws ArrayIndexOutOfBoundsException

[chris.hegarty at oracle.com]

Changeset: bd436284147d
Author:    weijun
Date:      2019-11-20 08:12 +0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/bd436284147d

8234377: new BitArray(0).toString() throws ArrayIndexOutOfBoundsException
Reviewed-by: mullan, wetmore

! src/java.base/share/classes/sun/security/util/BitArray.java
+ test/jdk/sun/security/util/BitArray/EmptyBitArray.java