1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/super/call-spread-obj-overrides-prev-properties.js b/js/src/tests/test262/language/expressions/super/call-spread-obj-overrides-prev-properties.js
new file mode 100644
index 0000000000..c42207485f
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/super/call-spread-obj-overrides-prev-properties.js
@@ -0,0 +1,55 @@
+// This file was procedurally generated from the following sources:
+// - src/spread/obj-overrides-prev-properties.case
+// - src/spread/default/super-call.template
+/*---
+description: Object Spread properties overrides previous definitions (SuperCall)
+esid: sec-super-keyword-runtime-semantics-evaluation
+features: [object-spread]
+flags: [generated]
+info: |
+    SuperCall : super Arguments
+
+    1. Let newTarget be GetNewTarget().
+    2. If newTarget is undefined, throw a ReferenceError exception.
+    3. Let func be GetSuperConstructor().
+    4. ReturnIfAbrupt(func).
+    5. Let argList be ArgumentListEvaluation of Arguments.
+    [...]
+
+    Pending Runtime Semantics: PropertyDefinitionEvaluation
+
+    PropertyDefinition:...AssignmentExpression
+
+    1. Let exprValue be the result of evaluating AssignmentExpression.
+    2. Let fromValue be GetValue(exprValue).
+    3. ReturnIfAbrupt(fromValue).
+    4. Let excludedNames be a new empty List.
+    5. Return CopyDataProperties(object, fromValue, excludedNames).
+
+---*/
+let o = {a: 2, b: 3};
+
+
+var callCount = 0;
+
+class Test262ParentClass {
+  constructor(obj) {
+    assert.sameValue(obj.a, 2);
+    assert.sameValue(obj.b, 3);
+    assert.sameValue(Object.keys(obj).length, 2);
+    assert.sameValue(o.a, 2);
+    assert.sameValue(o.b, 3);
+    callCount += 1;
+  }
+}
+
+class Test262ChildClass extends Test262ParentClass {
+  constructor() {
+    super({a: 1, b: 7, ...o});
+  }
+}
+
+new Test262ChildClass();
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);