1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/parser/bug-1263355-48.js b/js/src/jit-test/tests/parser/bug-1263355-48.js
new file mode 100644
index 0000000000..149db99878
--- /dev/null
+++ b/js/src/jit-test/tests/parser/bug-1263355-48.js
@@ -0,0 +1,18 @@
+// |jit-test| skip-if: helperThreadCount() === 0
+
+function eval(source) {
+    offThreadCompileModuleToStencil(source);
+    let stencil = finishOffThreadStencil();
+    let m = instantiateModuleStencil(stencil);
+    moduleLink(m);
+    return moduleEvaluate(m);
+}
+function runTestCase(testcase) {
+    if (testcase() !== true) {}
+}
+eval(`
+  function testcase() {
+    function set () {}
+  }
+  runTestCase(testcase);
+`);