hg: jdk/sandbox: 8247818: GCC 10 warning stringop-overflow with symbol code

[chris.hegarty at oracle.com]

Changeset: c969977b1702
Author:    iklam
Date:      2020-07-08 11:39 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/c969977b1702

8247818: GCC 10 warning stringop-overflow with symbol code
Reviewed-by: kbarrett, iklam
Contributed-by: sakatakui at oss.nttdata.com

! src/hotspot/share/oops/symbol.cpp
! src/hotspot/share/oops/symbol.hpp