Bug 1322314 - Do not emit ParseNode twice in BytecodeEmitter::emitDestructuringOpsArray

Issue mcp-graveyard/UXP#73
[Depends on] Bug 1147371: Implement IteratorClose

1 files changed, 25 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/Destructuring/array-default-class.js b/js/src/tests/ecma_6/Destructuring/array-default-class.js
new file mode 100644
index 0000000000..5aa9c579b1
--- /dev/null
+++ b/js/src/tests/ecma_6/Destructuring/array-default-class.js
@@ -0,0 +1,25 @@
+var BUGNUMBER = 1322314;
+var summary = "Function in computed property in class expression in array destructuring default";
+
+print(BUGNUMBER + ": " + summary);
+
+function* g([
+  a = class E {
+    [ (function() { return "foo"; })() ]() {
+      return 10;
+    }
+  }
+]) {
+  yield a;
+}
+
+let C = [...g([])][0];
+let x = new C();
+assertEq(x.foo(), 10);
+
+C = [...g([undefined])][0];
+x = new C();
+assertEq(x.foo(), 10);
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0);