dart2js returns false for 1 == 1.0.

[floitschG]

When both operands to an equality operation are known to be numbers dart2js replaces the == by an === since it has the same semantics in JavaScript.
However if those operands are known at compile-time it will do the comparison in Dart semantics where, for instance, 1 === 1.0 is false.

This is a partial duplicate of 2887 since fixing 2887 will also fix this bug.

[floitschG]

https://chromiumcodereview.appspot.com/10825386/

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Set owner to @floitschG.
Added Started label.

[kasperl]

Added this to the M1 milestone.

[floitschG]

Fixed in r11883

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Added Fixed label.