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-rw-r--r--js/src/jit-test/tests/arrow-functions/associativity-3.js5
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diff --git a/js/src/jit-test/tests/arrow-functions/associativity-3.js b/js/src/jit-test/tests/arrow-functions/associativity-3.js
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+++ b/js/src/jit-test/tests/arrow-functions/associativity-3.js
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+// Arrow right-associativity with +=
+
+var s = "";
+s += x => x.name;
+assertEq(s, "x => x.name");