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-rw-r--r--js/src/jit-test/tests/collections/Map-Set-moving-gc.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-Set-moving-gc.js b/js/src/jit-test/tests/collections/Map-Set-moving-gc.js
new file mode 100644
index 000000000..e603756dc
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Map-Set-moving-gc.js
@@ -0,0 +1,16 @@
+var m = new Map;
+var s = new Set;
+
+var A = [];
+for (var i = 0; i < 1024; ++i) {
+ var key = {i:i};
+ m.set(key, i);
+ s.add(key);
+ A.push(key);
+}
+gc();
+for (var i in A) {
+ var key = A[i];
+ assertEq(m.has(key), true);
+ assertEq(s.has(key), true);
+}