1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/regexp/clone-statics.js b/js/src/jit-test/tests/regexp/clone-statics.js
new file mode 100644
index 0000000000..d2f0ce1cac
--- /dev/null
+++ b/js/src/jit-test/tests/regexp/clone-statics.js
@@ -0,0 +1,21 @@
+// |jit-test| skip-if: helperThreadCount() === 0
+
+offThreadCompileToStencil(`
+  function foo(x, {}) {
+    do {
+      re = /erwe/;
+      if (x === 1)
+        re.x = 1;
+      else
+        re.x = "a";
+      assertEq(re.x.length, (x === 1) ? undefined : 1);
+    } while (!inIon());
+  }
+
+  foo(0, 0);
+  RegExp.multiline = 1;
+  foo(1, 0);
+`);
+
+var stencil = finishOffThreadStencil();
+evalStencil(stencil);