Fixed minus zero test (fixes v8:2133).

test/mjsunit/deopt-minus-zero.js

Index: test/mjsunit/deopt-minus-zero.js
diff --git a/test/mjsunit/regress/regress-cntl-descriptors-enum.js b/test/mjsunit/deopt-minus-zero.js
similarity index 76%
copy from test/mjsunit/regress/regress-cntl-descriptors-enum.js
copy to test/mjsunit/deopt-minus-zero.js
index ee72fafc8a7c67f2b1ab6cc22a734ef8033a5697..a0c1fb2c49b1a6cdf18057c22df4eda28b521a33 100644
--- a/test/mjsunit/regress/regress-cntl-descriptors-enum.js
+++ b/test/mjsunit/deopt-minus-zero.js
@@ -27,20 +27,32 @@
 
 // Flags: --allow-natives-syntax --expose-gc
 
-DontEnum = 2;
-
-var o = {};
-%SetProperty(o, "a", 0, DontEnum);
-
-var o2 = {};
-%SetProperty(o2, "a", 0, DontEnum);
-
-assertTrue(%HaveSameMap(o, o2));
-
-o.y = 2;
-
-for (var v in o) { print(v); }
-o = {};
+/**
+ * The possible optimization states of a function. Must be in sync with the
+ * return values of Runtime_GetOptimizationStatus() in runtime.cc!
+ */
+var OptimizationState = {
+    YES: 1,
+    NO: 2,
+    ALWAYS: 3,
+    NEVER: 4
+};
+
+function mul (a, b) {
+	return a * b;

[Jakob Kummerow, 2012/09/18 13:56:09]

spaces instead of the tab, please.

+}
+
+
+
+mul(-1, -1);
+mul(0x80000001|0, -1);
+mul(0x80000001|0, -1);
+%OptimizeFunctionOnNextCall(mul);
+mul(0, -1);
+%OptimizeFunctionOnNextCall(mul);
+mul(0, -1);
+
+var raw_optimized = %GetOptimizationStatus(mul);
+assertFalse(raw_optimized == OptimizationState.NO);

[Jakob Kummerow, 2012/09/18 13:56:09]

This is the clean way to do it; in many other test cases we just
assertTrue(%GetOptimizationStatus(mul) != 2). It's up to you whether you leave
it as it is, or simplify it.

 gc();
 
-for (var v in o2) { print(v); }