1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/mir/const_eval_select_cycle.rs b/tests/ui/mir/const_eval_select_cycle.rs
new file mode 100644
index 00000000000..0b84455b2f7
--- /dev/null
+++ b/tests/ui/mir/const_eval_select_cycle.rs
@@ -0,0 +1,18 @@
+// Regression test for #122659
+//@ build-pass
+//@ compile-flags: -O --crate-type=lib
+
+#![feature(core_intrinsics)]
+#![feature(const_eval_select)]
+
+use std::intrinsics::const_eval_select;
+
+#[inline]
+pub const fn f() {
+    const_eval_select((), g, g)
+}
+
+#[inline]
+pub const fn g() {
+    const_eval_select((), f, f)
+}