Fixed floor-of-div optimization.

test/mjsunit/regress/regress-334708.js

Index: test/mjsunit/regress/regress-334708.js
diff --git a/test/mjsunit/regress-333594.js b/test/mjsunit/regress/regress-334708.js
similarity index 90%
copy from test/mjsunit/regress-333594.js
copy to test/mjsunit/regress/regress-334708.js
index 6f6dbaafcd64d8b752226a290df525ca200b69a0..f0291bbdab61128baad9df89457d045b66644f1b 100644
--- a/test/mjsunit/regress-333594.js
+++ b/test/mjsunit/regress/regress-334708.js
@@ -27,16 +27,16 @@
 
 // Flags: --allow-natives-syntax
 
-var a = { x: 1.1 };
-a.x = 0;
-var G = a.x;
-var o = { x: {} };
+function foo(x, y) {
+  return Math.floor(x / y);
+}
 
-function func() {
-  return {x: G};
+function bar(x, y) {
+  return foo(x + 1, y + 1);
 }
 
-func();
-func();
-%OptimizeFunctionOnNextCall(func);
-assertEquals(0, func().x);
+foo(16, "4");
+
+bar(64, 2);
+%OptimizeFunctionOnNextCall(bar);
+bar(64, 2);