diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/save-frame-chain.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/save-frame-chain.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,15 @@
+// Error().stack (ScriptFrameIter) should see through JS_SaveFrameChain.
+function gamma() {
+    stack = Error().stack;
+}
+function beta() {
+    evaluate("gamma()", {saveFrameChain: true});
+}
+function alpha() {
+    beta();
+}
+alpha();
+
+assertEq(/alpha/.test(stack), true);
+assertEq(/beta/.test(stack), true);
+assertEq(/gamma/.test(stack), true);