hg: jdk8u/jdk8u-dev/hotspot: 8144732: VM_HeapDumper hits assert with bad dump_len

[denghui.ddh at alibaba-inc.com]

Changeset: a67e9c6edcdd
Author:    aeriksso
Date:      2020-01-24 09:41 +0800
URL:       https://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/a67e9c6edcdd

8144732: VM_HeapDumper hits assert with bad dump_len
Reviewed-by: dsamersoff

! src/share/vm/runtime/arguments.cpp
! src/share/vm/services/heapDumper.cpp