1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/loop-29.c b/gcc/testsuite/gcc.dg/tree-ssa/loop-29.c
new file mode 100644
index 00000000000..13699aafd62
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/loop-29.c
@@ -0,0 +1,21 @@
+/* PR 31885 */
+
+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-empty" } */
+
+struct s {
+    int *blah;
+};
+
+static struct s array[] = { { 0 } };
+
+void
+foo (struct s *p)
+{
+  struct s *q = &array[1];
+  while (p < q)
+    p++;
+}
+
+/* { dg-final { scan-tree-dump-times "Removing empty loop" 1 "empty" } } */
+/* { dg-final { cleanup-tree-dump "empty" } } */