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-rw-r--r--js/src/jit-test/tests/basic/missingArgTest.js12
1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/missingArgTest.js b/js/src/jit-test/tests/basic/missingArgTest.js
new file mode 100644
index 000000000..28fe79036
--- /dev/null
+++ b/js/src/jit-test/tests/basic/missingArgTest.js
@@ -0,0 +1,12 @@
+function arity1(x)
+{
+ return (x == undefined) ? 1 : 0;
+}
+function missingArgTest() {
+ var q;
+ for (var i = 0; i < 10; i++) {
+ q = arity1();
+ }
+ return q;
+}
+assertEq(missingArgTest(), 1);