1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..be83886322
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,62 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/for-var.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (for statement)
+esid: sec-for-statement-runtime-semantics-labelledevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    IterationStatement :
+        for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
+
+    1. Let varDcl be the result of evaluating VariableDeclarationList.
+    [...]
+
+    13.3.2.4 Runtime Semantics: Evaluation
+
+    VariableDeclarationList : VariableDeclarationList , VariableDeclaration
+
+    1. Let next be the result of evaluating VariableDeclarationList.
+    2. ReturnIfAbrupt(next).
+    3. Return the result of evaluating VariableDeclaration.
+
+    VariableDeclaration : BindingPattern Initializer
+
+    1. Let rhs be the result of evaluating Initializer.
+    2. Let rval be GetValue(rhs).
+    3. ReturnIfAbrupt(rval).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing rval and undefined as arguments.
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+assert.throws(Test262Error, function() {
+  for (var [...x] = iter; iterCount < 1; ) {
+    return;
+  }
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);