--- /dev/null
+/* Test for -Wredundant-decls warnings */
+/* { dg-do compile } */
+/* { dg-options "-Wredundant-decls" } */
+
+int j = 5; /* { dg-warning "previous" } */
+int j; /* { dg-warning "redundant" } */
+
+static int k;
+static int k = 5; /* { dg-warning "previous" } */
+static int k; /* { dg-warning "redundant" } */
+
+static int l = 5; /* { dg-warning "previous" } */
+static int l; /* { dg-warning "redundant" } */
+
+static int m; /* { dg-warning "previous" } */
+static int m; /* { dg-warning "redundant" } */
+static int m = 5;
+
+int n; /* { dg-warning "previous" } */
+int n; /* { dg-warning "redundant" } */
+int n = 5;
+
+static int o;
+static int o = 5;
+
+int p;
+int p = 5;