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-rw-r--r--js/src/jit-test/tests/basic/testMethodWriteBarrier.js4
1 files changed, 4 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testMethodWriteBarrier.js b/js/src/jit-test/tests/basic/testMethodWriteBarrier.js
new file mode 100644
index 0000000000..86f2b17226
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testMethodWriteBarrier.js
@@ -0,0 +1,4 @@
+var x = {p: 0.1, m: function(){}};
+x.m(); // the interpreter brands x
+for (var i = 0; i < 9; i++)
+ x.p = 0.1;