1 files changed, 26 insertions, 0 deletions
diff --git a/test/lit/select-gc.wat b/test/lit/select-gc.wat
new file mode 100644
index 000000000..8cc1d4ca7
--- /dev/null
+++ b/test/lit/select-gc.wat
@@ -0,0 +1,26 @@
+;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited.
+
+;; RUN: wasm-opt -all --roundtrip %s -S -o - | filecheck %s
+
+;; Check that annotated select is propery roundtripped, even if the type is
+;; only used in that one place in the whole module.
+
+(module
+  ;; CHECK:      (type $struct (struct ))
+  (type $struct (struct))
+
+  ;; CHECK:      (func $foo (type $none_=>_anyref) (result anyref)
+  ;; CHECK-NEXT:  (select (result (ref null $struct))
+  ;; CHECK-NEXT:   (ref.null none)
+  ;; CHECK-NEXT:   (ref.null none)
+  ;; CHECK-NEXT:   (i32.const 1)
+  ;; CHECK-NEXT:  )
+  ;; CHECK-NEXT: )
+  (func $foo (result anyref)
+    (select (result (ref null $struct))
+      (ref.null any)
+      (ref.null eq)
+      (i32.const 1)
+    )
+  )
+)