--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pr69224.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -Warray-bounds" } */
+
+struct S {
+        int a;
+        int b;
+        int c;
+        int d;
+        int e;
+        float x[5];
+        float y[5];      // Comment these two lines out to
+        float z[5 - 1];  // remove the warning
+};
+void f(struct S *s, float a[], float **b, float c[]) {
+        if ((s->b == 1) && (s->d > 0)) {
+                for (int i = 0; i < s->a; i++) {
+                        if (a[i] != 0.0) {
+                                for (int j = 0; j < s->d - 1; j++) {
+                                        if ((c[i] >= s->x[j]) && (c[i] <= s->x[j + 1])) {
+                                                b[2*j][i] = s->x[j];
+                                                break;
+                                        }
+                                }
+                        }
+                }
+        }
+}