tree 789342315c3cc1cd8d8dba9ac5a7f348e3ff4aab
parent d5580a920370920f107914869361e92f8da8e91d
author Yi Kong <yikong@google.com> 1494370557 -0700
committer Yi Kong <yikong@google.com> 1494439823 -0700

Add explicit default copy constructor

Definition of implicit copy constructor is deprecated if it has a
user-declared destructor. This triggers -Wdeprecated compiler warning
and breaks the build in latest Clang update.

Test: Build
Bug: 37752547
Change-Id: I9827e09d0ef846369917192c50db2bb80a0bd0bb