Define virtual destructor in *.cpp file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85146 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/PostRASchedulerList.cpp b/lib/CodeGen/PostRASchedulerList.cpp
index 4ee97e7..8fe2087 100644
--- a/lib/CodeGen/PostRASchedulerList.cpp
+++ b/lib/CodeGen/PostRASchedulerList.cpp
@@ -24,6 +24,7 @@
 #include "ExactHazardRecognizer.h"
 #include "SimpleHazardRecognizer.h"
 #include "ScheduleDAGInstrs.h"
+#include "llvm/CodeGen/AntiDepBreaker.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/LatencyPriorityQueue.h"
 #include "llvm/CodeGen/SchedulerRegistry.h"
@@ -79,6 +80,8 @@
                       cl::desc("Debug control MBBs that are scheduled"),
                       cl::init(0), cl::Hidden);
 
+AntiDepBreaker::~AntiDepBreaker() { }
+
 namespace {
   class PostRAScheduler : public MachineFunctionPass {
     AliasAnalysis *AA;