1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testBug634590b.js b/js/src/jit-test/tests/basic/testBug634590b.js
new file mode 100644
index 0000000000..42531a8295
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testBug634590b.js
@@ -0,0 +1,19 @@
+this.name = "outer";
+var sb = evalcx('');
+sb.name = "inner";
+sb.parent = this;
+function f() { return this.name; }
+f.notMuchTodo = '42';
+assertEq(evalcx('{\n' +
+                '  let f = parent.f;\n' +
+                '  let name = "block";\n' +
+                '  (function () {\n' +
+                '    eval(f.notMuchTodo);\n' + // reify Block
+                '    var s = "";\n' +
+                '    for (i = 0; i < 10; ++i)\n' +
+                '      s += f();\n' +
+                '    return s;\n' +
+                '  })();\n' +
+                '}',
+                sb),
+	 "outerouterouterouterouterouterouterouterouterouter");