1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/uninit-14-O0.c b/gcc/testsuite/gcc.dg/uninit-14-O0.c
new file mode 100644
index 000000000..abde6ca86
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/uninit-14-O0.c
@@ -0,0 +1,20 @@
+/* PR 24931 */
+/* { dg-do compile } */
+/* { dg-options "-Wuninitialized" } */
+
+struct p {
+        short x, y;
+};
+
+struct s {
+        int i;
+        struct p p;
+};
+
+struct s f()
+{
+        struct s s;
+        s.p = (struct p){};
+        s.i = (s.p.x || s.p.y);
+        return s;
+}