1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/lsra-bug1112164.js b/js/src/jit-test/tests/ion/lsra-bug1112164.js
new file mode 100644
index 0000000000..92a7e08003
--- /dev/null
+++ b/js/src/jit-test/tests/ion/lsra-bug1112164.js
@@ -0,0 +1,36 @@
+setJitCompilerOption("baseline.warmup.trigger", 10);
+setJitCompilerOption("ion.warmup.trigger", 30);
+
+var atan2 = Math.atan2;
+
+function reference(x, y, z, w) {
+  with({}) {}; /* prevent compilation */
+  return [ atan2(x + 0.1, w),
+           atan2(y + 0.1, z),
+           atan2(z + 0.1, y),
+           atan2(w + 0.1, x) ];
+}
+
+function generator(x, y, z, w) {
+  return [ atan2(x + 0.1, w),
+           atan2(y + 0.1, z),
+           atan2(z + 0.1, y),
+           atan2(w + 0.1, x) ];
+}
+
+function test() {
+  var min = -0.99999, step = 0.1, max = 1;
+  for (var x = min; x < max; x += step)
+    for (var y = min; y < max; y += step)
+      for (var z = min; z < max; z += step)
+        for (var w = min; w < max; w += step) {
+          var ref = reference(x, y, z, w);
+          var gen = generator(x, y, z, w);
+          assertEq(gen[0], ref[0]);
+          assertEq(gen[1], ref[1]);
+          assertEq(gen[2], ref[2]);
+          assertEq(gen[3], ref[3]);
+        }
+}
+
+test();