1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/function/dflt-params-ref-later.js b/js/src/tests/test262/language/expressions/function/dflt-params-ref-later.js
new file mode 100644
index 0000000000..99487a3309
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/function/dflt-params-ref-later.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/function-forms/dflt-params-ref-later.case
+// - src/function-forms/error/func-expr.template
+/*---
+description: Referencing a parameter that occurs later in the ParameterList (function expression)
+esid: sec-function-definitions-runtime-semantics-evaluation
+features: [default-parameters]
+flags: [generated]
+info: |
+    FunctionExpression : function ( FormalParameters ) { FunctionBody }
+
+        [...]
+        3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody,
+           scope, strict).
+        [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    14.1.19 Runtime Semantics: IteratorBindingInitialization
+
+    FormalsList : FormalsList , FormalParameter
+
+    1. Let status be the result of performing IteratorBindingInitialization for
+       FormalsList using iteratorRecord and environment as the arguments.
+    2. ReturnIfAbrupt(status).
+    3. Return the result of performing IteratorBindingInitialization for
+       FormalParameter using iteratorRecord and environment as the arguments.
+
+---*/
+var x = 0;
+
+var callCount = 0;
+var f;
+f = function(x = y, y) {
+  
+  callCount = callCount + 1;
+};
+
+assert.throws(ReferenceError, function() {
+  f();
+});
+assert.sameValue(callCount, 0, 'function body not evaluated');
+
+reportCompare(0, 0);