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-rw-r--r--js/src/jit-test/tests/auto-regress/bug722260.js8
1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/auto-regress/bug722260.js b/js/src/jit-test/tests/auto-regress/bug722260.js
new file mode 100644
index 0000000000..d9777c29bc
--- /dev/null
+++ b/js/src/jit-test/tests/auto-regress/bug722260.js
@@ -0,0 +1,8 @@
+// Binary: cache/js-dbg-64-8a59519e137e-linux
+// Flags:
+//
+
+var m = new Map;
+var key = -((/\u0024/ ).x);
+var v = {};
+m.set(key,v);