1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/regress/gvn-unremovable-phi.js b/js/src/jit-test/tests/wasm/regress/gvn-unremovable-phi.js
new file mode 100644
index 000000000..02b5fed5f
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/regress/gvn-unremovable-phi.js
@@ -0,0 +1,22 @@
+load(libdir + "wasm.js");
+
+wasmEvalText(`(module
+  (type $type0 (func (param i32)))
+  (func $f (param $p i32)
+    (local $x i32) (local $y i32)
+    loop $top
+      get_local $x
+      get_local $p
+      get_local $x
+      br_if $top
+      i32.const 1
+      tee_local $p
+      get_local $y
+      set_local $x
+      i32.add
+      call $f
+      br_if $top
+      return
+    end
+  )
+)`);