1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/mulNegZero.js b/js/src/jit-test/tests/jaeger/mulNegZero.js
new file mode 100644
index 000000000..6758dab7c
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/mulNegZero.js
@@ -0,0 +1,31 @@
+
+function mul(x, y)    { return x * y;  };
+function mulConst0(x) { return x * 0;  };
+function mulConst1(x) { return -5 * x; };
+function mulConst2(x) { return x * -5; };
+
+function f() {
+    assertEq(mulConst0(7), 0);
+    assertEq(mulConst0(-5), -0);
+    assertEq(mulConst0(0), 0);
+    assertEq(mulConst0(-0), -0);
+    
+    assertEq(mulConst1(7), -35);
+    assertEq(mulConst1(-8), 40);
+    assertEq(mulConst1(0), -0);
+    assertEq(mulConst1(-0), 0);
+    
+    assertEq(mulConst2(7), -35);
+    assertEq(mulConst2(-8), 40);
+    assertEq(mulConst2(0), -0);
+    assertEq(mulConst2(-0), 0);
+    
+    assertEq(mul(55, 2), 110);
+    assertEq(mul(0, -10), -0);
+    assertEq(mul(-5, 0), -0);
+    assertEq(mul(-0, 0), -0);
+    assertEq(mul(0, -0), -0);
+    assertEq(mul(0, 0), 0);
+    assertEq(mul(-0, -0), 0);
+}
+f();