hg: jdk/jdk: 8245264: Test runtime/cds/appcds/SignedJar.java fails

[yumin.qi at oracle.com]

Changeset: 8ada30d6eae7
Author:    minqi
Date:      2020-05-27 16:04 -0700
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/8ada30d6eae7

8245264: Test runtime/cds/appcds/SignedJar.java fails
Summary: Concurrent work of symbol table caused _shared_table not walkable in dumping archive which led symbols not sorted in shared archive. Change to use do_safepoint_scan of _local_table to collect symbols.
Reviewed-by: iklam, ccheung

! src/hotspot/share/classfile/symbolTable.cpp
! src/hotspot/share/memory/metaspaceClosure.hpp
! src/hotspot/share/memory/metaspaceShared.cpp
! test/hotspot/jtreg/ProblemList.txt