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-rw-r--r--js/src/jit-test/tests/basic/new-read-before-write.js24
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/new-read-before-write.js b/js/src/jit-test/tests/basic/new-read-before-write.js
new file mode 100644
index 000000000..a5259b211
--- /dev/null
+++ b/js/src/jit-test/tests/basic/new-read-before-write.js
@@ -0,0 +1,24 @@
+
+function Foo() {
+ var x = this.property;
+ this.property = 5;
+ glob = x;
+}
+Foo.prototype.property = 10;
+for (var i = 0; i < 10; i++) {
+ new Foo();
+ assertEq(glob, 10);
+}
+
+function Bar() {
+ this.property;
+ this.other = 5;
+}
+Bar.prototype.other = 10;
+Object.defineProperty(Bar.prototype, "property", {
+ get: function() { glob = this.other; }
+});
+for (var i = 0; i < 10; i++) {
+ new Bar();
+ assertEq(glob, 10);
+}