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diff --git a/test/language/expressions/generators/dstr-ary-ptrn-elem-id-init-unresolvable.js b/test/language/expressions/generators/dstr-ary-ptrn-elem-id-init-unresolvable.js
new file mode 100644
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+++ b/test/language/expressions/generators/dstr-ary-ptrn-elem-id-init-unresolvable.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
+// - src/dstr-binding/error/gen-func-expr.template
+/*---
+description: Destructuring initializer is an unresolvable reference (generator function expression)
+esid: sec-generator-function-definitions-runtime-semantics-evaluation
+es6id: 14.4.14
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    GeneratorExpression : function * ( FormalParameters ) { GeneratorBody }
+
+        [...]
+        3. Let closure be GeneratorFunctionCreate(Normal, FormalParameters,
+           GeneratorBody, 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.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+
+    6.2.3.1 GetValue (V)
+
+    1. ReturnIfAbrupt(V).
+    2. If Type(V) is not Reference, return V.
+    3. Let base be GetBase(V).
+    4. If IsUnresolvableReference(V), throw a ReferenceError exception.
+---*/
+
+var f = function*([ x = unresolvableReference ]) {};
+
+assert.throws(ReferenceError, function() {
+  f([]);
+});