Implement indexing support for lambdas in libclang (both kinds), as
well as improving the RecursiveASTVisitor's walk of lambda
expressions.

llvm-svn: 150549
diff --git a/clang/tools/libclang/IndexingContext.cpp b/clang/tools/libclang/IndexingContext.cpp
index 75184dd..2963f3b 100644
--- a/clang/tools/libclang/IndexingContext.cpp
+++ b/clang/tools/libclang/IndexingContext.cpp
@@ -1035,7 +1035,9 @@
     return MakeCursorNamespaceRef(Namespace, Loc, CXTU);
   if (const FieldDecl *Field = dyn_cast<FieldDecl>(D))
     return MakeCursorMemberRef(Field, Loc, CXTU);
-
+  if (const VarDecl *Var = dyn_cast<VarDecl>(D))
+    return MakeCursorVariableRef(Var, Loc, CXTU);
+  
   return clang_getNullCursor();
 }