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-rw-r--r--js/src/jit-test/tests/gc/bug-1890670.js12
1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/gc/bug-1890670.js b/js/src/jit-test/tests/gc/bug-1890670.js
new file mode 100644
index 0000000000..e73c5a99e6
--- /dev/null
+++ b/js/src/jit-test/tests/gc/bug-1890670.js
@@ -0,0 +1,12 @@
+// |jit-test| --enable-symbols-as-weakmap-keys; skip-if: getBuildConfiguration("release_or_beta")
+
+gczeal(0);
+let wm = new WeakMap();
+let s = Symbol();
+wm.set(s, new WeakMap());
+let ss = Symbol();
+wm.get(s).set(this, ss);
+let wm2 = new WeakMap();
+wm2.set(ss, "test");
+ss = null;
+gc();