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-rw-r--r--js/src/jit-test/tests/baseline/arraySubclassPropertyLookup.js17
1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/baseline/arraySubclassPropertyLookup.js b/js/src/jit-test/tests/baseline/arraySubclassPropertyLookup.js
new file mode 100644
index 000000000..62b339f54
--- /dev/null
+++ b/js/src/jit-test/tests/baseline/arraySubclassPropertyLookup.js
@@ -0,0 +1,17 @@
+function f(v, expected) {
+ assertEq(v.prop, expected);
+};
+
+class SubArrayA extends Array {
+}
+class SubArrayB extends Array {
+}
+SubArrayA.prototype.prop = "A";
+SubArrayB.prototype.prop = "B";
+
+var a = new SubArrayA();
+var b = new SubArrayB();
+for (let i = 0; i < 10; i++) {
+ f(a, "A");
+ f(b, "B");
+}