[C++11] Convert sort predicates into lambdas.

No functionality change.

llvm-svn: 203289
diff --git a/clang/lib/Analysis/LiveVariables.cpp b/clang/lib/Analysis/LiveVariables.cpp
index f13f903..799799c 100644
--- a/clang/lib/Analysis/LiveVariables.cpp
+++ b/clang/lib/Analysis/LiveVariables.cpp
@@ -581,16 +581,6 @@
   return new LiveVariables(LV);
 }
 
-static bool compare_entries(const CFGBlock *A, const CFGBlock *B) {
-  return A->getBlockID() < B->getBlockID();
-}
-
-static bool compare_vd_entries(const Decl *A, const Decl *B) {
-  SourceLocation ALoc = A->getLocStart();
-  SourceLocation BLoc = B->getLocStart();
-  return ALoc.getRawEncoding() < BLoc.getRawEncoding();
-}
-
 void LiveVariables::dumpBlockLiveness(const SourceManager &M) {
   getImpl(impl).dumpBlockLiveness(M);
 }
@@ -602,7 +592,9 @@
        it != ei; ++it) {
     vec.push_back(it->first);    
   }
-  std::sort(vec.begin(), vec.end(), compare_entries);
+  std::sort(vec.begin(), vec.end(), [](const CFGBlock *A, const CFGBlock *B) {
+    return A->getBlockID() < B->getBlockID();
+  });
 
   std::vector<const VarDecl*> declVec;
 
@@ -619,9 +611,11 @@
           se = vals.liveDecls.end(); si != se; ++si) {
       declVec.push_back(*si);      
     }
-    
-    std::sort(declVec.begin(), declVec.end(), compare_vd_entries);
-    
+
+    std::sort(declVec.begin(), declVec.end(), [](const Decl *A, const Decl *B) {
+      return A->getLocStart() < B->getLocStart();
+    });
+
     for (std::vector<const VarDecl*>::iterator di = declVec.begin(),
          de = declVec.end(); di != de; ++di) {
       llvm::errs() << " " << (*di)->getDeclName().getAsString()