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-rw-r--r--js/src/jit-test/tests/auto-regress/bug643847.js13
1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/auto-regress/bug643847.js b/js/src/jit-test/tests/auto-regress/bug643847.js
new file mode 100644
index 000000000..0574e20b4
--- /dev/null
+++ b/js/src/jit-test/tests/auto-regress/bug643847.js
@@ -0,0 +1,13 @@
+// Binary: cache/js-dbg-64-c811be25eaad-linux
+// Flags:
+//
+function f(o) {
+ o.constructor = function() {};
+}
+__proto__.__defineSetter__('constructor',
+function(v) {});
+f({});
+Object.defineProperty(__proto__, 'constructor', {
+ writable: true,
+});
+f({});