1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug729573.js b/js/src/jit-test/tests/ion/bug729573.js
new file mode 100644
index 0000000000..f8cf3318df
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug729573.js
@@ -0,0 +1,18 @@
+function TestCase(n, d, e, a) {
+  return function writeHeaderToLog( string ) {};
+}
+var SECTION = "11.7.2";
+for ( power = 0; power <= 32; power++ ) {
+  shiftexp = Math.pow( 2, power );
+  for ( addexp = 0; addexp <= 32; addexp++ ) {
+    new TestCase( SECTION, SignedRightShift( shiftexp, addexp ), shiftexp >> addexp );
+  }
+}
+function ToInt32BitString( n ) {
+  var b = "";
+  return b;
+}
+function SignedRightShift( s, a ) {
+  s = ToInt32BitString( s );
+  s = s.substring( 0, 1 | Math && 0xffffffff + 2 );
+}