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-rw-r--r--js/src/jit-test/tests/ion/bug765454.js26
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug765454.js b/js/src/jit-test/tests/ion/bug765454.js
new file mode 100644
index 000000000..d91bd87b6
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug765454.js
@@ -0,0 +1,26 @@
+var seen = -1;
+
+// Test to make sure the jits get the number of calls, and return value
+// of setters correct. We should not be affected by whether the setter
+// modifies its argument or returns some value.
+function setter(x) {
+ this.val = x;
+ x = 255;
+ bailout();
+ seen++;
+ assertEq(seen, this.val);
+ return 5;
+}
+
+function F(){}
+Object.defineProperty(F.prototype, "value" , ({set: setter}));
+
+function test() {
+ var obj = new F();
+ var itrCount = 10000;
+ for(var i = 0; i < itrCount; i++) {
+ assertEq(obj.value = i, i);
+ assertEq(obj.val, i);
+ }
+}
+test();