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-rw-r--r--js/src/jit-test/tests/ion/bug904315.js15
1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug904315.js b/js/src/jit-test/tests/ion/bug904315.js
new file mode 100644
index 0000000000..64239408f6
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug904315.js
@@ -0,0 +1,15 @@
+
+function g(o, idx, exp) {
+ for (var i=0; i<3000; i++) {
+ assertEq(o[idx], exp);
+ }
+}
+function f() {
+ var o = [];
+ for (var i=1; i<100; i++) {
+ o[-i] = 1;
+ }
+ g(o, 50, undefined);
+ g(o, -50, 1);
+}
+f();