diff --git a/deps/common/lang/lower_bound.h b/deps/common/lang/lower_bound.h
index 28fb588a5..3aadbf368 100644
--- a/deps/common/lang/lower_bound.h
+++ b/deps/common/lang/lower_bound.h
@@ -118,7 +118,7 @@ class BinaryIterator
   BinaryIterator  operator--(int)
   {
     BinaryIterator tmp(*this);
-    this->operator+=(-1);
+    *this += -1;
     return tmp;
   }
 
diff --git a/deps/common/mm/debug_new.h b/deps/common/mm/debug_new.h
index d560bc7d2..01826d979 100644
--- a/deps/common/mm/debug_new.h
+++ b/deps/common/mm/debug_new.h
@@ -39,6 +39,7 @@ void operator delete[](void *);  // MSVC 6 requires this declaration
 #ifdef DEBUG_NEW_EMULATE_MALLOC
 
 #define malloc(s) ((void *)(debug_new char[s]))
+
 #define free(p) delete[] (char *)(p)
 #endif  // DEBUG_NEW_EMULATE_MALLOC