diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 88cbe1b14c79..682903aa837b 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,7 @@
+2018-05-23  Jason Merrill  <jason@redhat.com>
+
+	* system.h: #include <new> earlier.
+
 2018-05-17  Jason Merrill  <jason@redhat.com>
 
 	* line-map.c (linemap_init): Use placement new.
diff --git a/libcpp/system.h b/libcpp/system.h
index 76420e16cfbb..3fde817cb832 100644
--- a/libcpp/system.h
+++ b/libcpp/system.h
@@ -37,6 +37,10 @@ along with GCC; see the file COPYING3.  If not see
 
 #include <stdio.h>
 
+#ifdef __cplusplus
+#include <new>
+#endif
+
 /* Define a generic NULL if one hasn't already been defined.  */
 #ifndef NULL
 #define NULL 0
@@ -438,10 +442,6 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 /* Some compilers do not allow the use of unsigned char in bitfields.  */
 #define BOOL_BITFIELD unsigned int
 
-#ifdef __cplusplus
-#include <new>
-#endif
-
 /* Poison identifiers we do not want to use.  */
 #if (GCC_VERSION >= 3000)
 #undef calloc