Give some convenient idiomatic accessors to Stmt::child_range and
Stmt::const_child_range, then make a bunch of places use them instead
of the individual iterator accessors.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125450 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Index/ASTVisitor.h b/lib/Index/ASTVisitor.h
index 943c720..0b8425b 100644
--- a/lib/Index/ASTVisitor.h
+++ b/lib/Index/ASTVisitor.h
@@ -108,8 +108,7 @@
   }
 
   void VisitStmt(Stmt *Node) {
-    for (Stmt::child_iterator
-           I = Node->child_begin(), E = Node->child_end(); I != E; ++I)
+    for (Stmt::child_range I = Node->children(); I; ++I)
       if (*I)
         Visit(*I);
   }