--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/init-excess-2.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,48 @@
+/* Test for diagnostics about excess initializers when using a macro
+   defined in a system header:
+   c/71115 - Missing warning: excess elements in struct initializer.  */
+/* { dg-do compile } */
+/* { dg-options "" } */
+/* { dg-require-effective-target int32plus } */
+
+#include <stddef.h>
+
+int* a[1] = {
+  0,
+  NULL              /* { dg-warning "excess elements|near init" } */
+};
+
+const char str[1] = {
+  0,
+  NULL              /* { dg-warning "excess elements|near init" } */
+};
+
+struct S {
+  int *a;
+} s = {
+  0,
+  NULL              /* { dg-warning "excess elements|near init" } */
+};
+
+struct __attribute__ ((designated_init)) S2 {
+  int *a;
+} s2 = {
+  NULL              /* { dg-warning "positional initialization|near init" } */
+};
+
+union U {
+  int *a;
+} u = {
+  0,
+  NULL              /* { dg-warning "excess elements|near init" } */
+};
+
+int __attribute__ ((vector_size (16))) ivec = {
+  0, 0, 0, 0,
+  NULL              /* { dg-warning "excess elements|near init" } */
+};
+
+int* scal = {
+  0,
+  NULL              /* { dg-warning "excess elements|near init" } */
+};