Apply modernize-use-default to clang.

Summary: Replace empty bodies of default constructors and destructors with '= default'.

Reviewers: bkramer, klimek

Subscribers: klimek, alexfh, cfe-commits

Differential Revision: http://reviews.llvm.org/D13890

llvm-svn: 250822
diff --git a/clang/lib/Analysis/ProgramPoint.cpp b/clang/lib/Analysis/ProgramPoint.cpp
index 26b59bb..787e5bb 100644
--- a/clang/lib/Analysis/ProgramPoint.cpp
+++ b/clang/lib/Analysis/ProgramPoint.cpp
@@ -16,7 +16,7 @@
 
 using namespace clang;
 
-ProgramPointTag::~ProgramPointTag() {}
+ProgramPointTag::~ProgramPointTag() = default;
 
 ProgramPoint ProgramPoint::getProgramPoint(const Stmt *S, ProgramPoint::Kind K,
                                            const LocationContext *LC,