hg: jdk/jdk: 8250928: JFR: Improve hash algorithm for stack traces

[erik.gahlin at oracle.com]

Changeset: c3cc9ac0ede2
Author:    egahlin
Date:      2020-08-07 04:21 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/c3cc9ac0ede2

8250928: JFR: Improve hash algorithm for stack traces
Reviewed-by: egahlin
Contributed-by: Gabriel Reid <gabriel.reid at datadoghq.com>

! src/hotspot/share/jfr/recorder/stacktrace/jfrStackTrace.cpp