1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/regalloc-double.js b/js/src/jit-test/tests/jaeger/regalloc-double.js
new file mode 100644
index 000000000..8d49eb54f
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/regalloc-double.js
@@ -0,0 +1,12 @@
+// register allocation involving doubles.
+
+function foo(a,b) {
+  var c;
+  if (a < b) {
+    c = a + 1;
+  } else {
+    c = 0.5;
+  }
+  return c;
+}
+assertEq(foo(0, 1), 1);