String concatenation tweaks

[Peter Levart]

On 06/05/2015 02:56 PM, Remi Forax wrote:
> There is another limitation, a method call can not have more than 255 
> arguments, if there are a lot of '+', the invokedynamic translation 
> may fail too.
>
> Maybe, the compiler should use the old strategy if there are too many 
> arguments. 


...or do a decomposition:

s1 + s2 + .... + sN  ==  s1 + s2 + ... + s254 + (s255 + s256 + ... + sN)

... so a string concatenation expression is converted to (int)((N + 254) 
/ 255) invokedynamic calls...

Peter
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