[C++11] Replacing DeclStmt iterators decl_begin() and decl_end() with iterator_range decls(). Updating all of the usages of the iterators with range-based for loops.

llvm-svn: 203947
diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp
index 1f0dd85..4b063c4 100644
--- a/clang/lib/CodeGen/CGDecl.cpp
+++ b/clang/lib/CodeGen/CGDecl.cpp
@@ -1013,10 +1013,9 @@
       }
       else if (DeclStmt *DS = dyn_cast<DeclStmt>((*BI))) {
           // special case declarations
-          for (DeclStmt::decl_iterator I = DS->decl_begin(), E = DS->decl_end();
-               I != E; ++I) {
-              if (VarDecl *VD = dyn_cast<VarDecl>((*I))) {
-                Expr *Init = VD->getInit();
+          for (const auto *I : DS->decls()) {
+              if (const auto *VD = dyn_cast<VarDecl>((I))) {
+                const Expr *Init = VD->getInit();
                 if (Init && isCapturedBy(var, Init))
                   return true;
               }