Canonicalize all integer constants taht we create by parsing a string.

runtime/lib/double.cc

Index: runtime/lib/double.cc
===================================================================
--- runtime/lib/double.cc	(revision 15418)
+++ runtime/lib/double.cc	(working copy)
@@ -221,18 +221,18 @@
     if (!is_positive) {
       double_value = -double_value;
     }
-    return Double::New(double_value);
+    return Double::NewCanonical(double_value);

[srdjan, 2012/11/27 23:32:07]

Do not canonicalize om this native, as it is called on program data not on
program.

[siva, 2012/11/28 00:22:56]

Done.

   }
 
   if (Scanner::IsValidLiteral(tokens,
                               Token::kINTEGER,
                               &is_positive,
                               &number_string)) {
-    Integer& res = Integer::Handle(Integer::New(*number_string));
+    Integer& res = Integer::Handle(Integer::NewCanonical(*number_string));
     if (is_positive) {
-      return Double::New(res.AsDoubleValue());
+      return Double::NewCanonical(res.AsDoubleValue());
     }
-    return Double::New(-res.AsDoubleValue());
+    return Double::NewCanonical(-res.AsDoubleValue());
   }
 
   // Infinity and nan.
@@ -241,13 +241,13 @@
                               &is_positive,
                               &number_string)) {
     if (number_string->Equals("NaN")) {
-      return Double::New(NAN);
+      return Double::NewCanonical(NAN);
     }
     if (number_string->Equals("Infinity")) {
       if (is_positive) {
-        return Double::New(INFINITY);
+        return Double::NewCanonical(INFINITY);
       }
-      return Double::New(-INFINITY);
+      return Double::NewCanonical(-INFINITY);
     }
   }