Fix a bug that prevents constants from overwriting function values in object ...

test/mjsunit/object-literal-conversions.js

+// Copyright 2010 the V8 project authors. All rights reserved.
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+// modification, are permitted provided that the following conditions are
+// met:
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+
+// Test that the various conversions between property names are correctly
+// used when overwriting initializers.
+
+var test1 = { 13: 6, "13": 7 };
+var test2 = { 13: 7, "13.0": 6 };
+var test3 = { "13": 6, 13.0000000000000000: 7 };
+var test4 = { 13.213000: 6, "13.213": 7 };
+
+assertEquals(7, test1[13]);
+assertEquals(7, test2[13]);
+assertEquals(7, test3[13]);
+assertEquals(7, test4[13.213]);
+
+var test5 = { 13: function() {}, "13": 7 };
+var test6 = { 17.31: function() {}, "17.31": 7 };
+
+assertEquals(7, test5[13]);
+assertEquals(7, test6[17.31]);
+