hg: jdk/jdk13: 8228407: JVM crashes with shared archive file mismatch

[calvin.cheung at oracle.com]

Changeset: 1edf6cc224fb
Author:    ccheung
Date:      2019-07-25 10:25 -0700
URL:       https://hg.openjdk.java.net/jdk/jdk13/rev/1edf6cc224fb

8228407: JVM crashes with shared archive file mismatch
Summary: Stop processing other header fields if initial header check has failed.
Reviewed-by: dholmes, jiangli

! src/hotspot/share/memory/filemap.cpp
! test/hotspot/jtreg/runtime/appcds/SharedArchiveConsistency.java