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-rw-r--r--js/src/jit-test/tests/basic/testLetOverridingArgs.js5
1 files changed, 5 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testLetOverridingArgs.js b/js/src/jit-test/tests/basic/testLetOverridingArgs.js
new file mode 100644
index 000000000..fbebe7a2f
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testLetOverridingArgs.js
@@ -0,0 +1,5 @@
+function f1() { { let arguments = 42; return arguments } }
+assertEq(f1(), 42);
+
+function f2() { { let arguments; return arguments } }
+assertEq(f2(), undefined);