git: openjdk/jdk: 8283480: Make AbstractStringBuilder sealed

[Joe Darcy]

Changeset: f7d21c35
Author:    Joe Darcy <darcy at openjdk.org>
Date:      2022-03-22 16:26:23 +0000
URL:       https://git.openjdk.java.net/jdk/commit/f7d21c3523d87584b62a1143bfe52d067cf77519

8283480: Make AbstractStringBuilder sealed

Reviewed-by: jjg, rriggs, jlaskey, dfuchs

! src/java.base/share/classes/java/lang/AbstractStringBuilder.java