1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr81564.c b/gcc/testsuite/gcc.dg/pr81564.c
new file mode 100644
index 00000000000..13519991f17
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr81564.c
@@ -0,0 +1,21 @@
+/* PR middle-end/81564 ICE in group_case_labels_stmt().  */
+/* { dg-do compile }  */
+/* { dg-options "-O2" }  */
+
+struct a {
+    int b;
+    int c;
+};
+
+void
+foo (void)
+{
+  struct a *e;
+  switch (e->c)
+  {
+    case 7:
+    case 3:
+      if (__builtin_expect(!0, 0))
+	__builtin_unreachable();
+  }
+}