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-rw-r--r--js/src/jit-test/tests/ion/bug1007213.js21
1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1007213.js b/js/src/jit-test/tests/ion/bug1007213.js
new file mode 100644
index 000000000..6366e1e3f
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1007213.js
@@ -0,0 +1,21 @@
+
+function getval(o) {
+ return obj.val
+}
+function f(x, o) {
+ var lhs = -(~x >>> 0)
+ var rhs = getval(o)
+ return (lhs - rhs >> 0)
+}
+function getObj(v) {
+ return {
+ val: v
+ }
+}
+
+var obj = getObj(1)
+assertEq(f(0, obj), 0)
+assertEq(f(0, obj), 0)
+obj = getObj('can has bug?')
+obj = getObj(.5)
+assertEq(f(0, obj), 1)