[PATCH] AbstractStringBuilder.append(<StringBuilder>)

[Martin Buchholz]

On Thu, Jun 28, 2018 at 11:59 AM, Isaac Levy <isaac.r.levy at gmail.com> wrote:

> And can't remove append(StringBuffer) because of binary compatibility?
>

That seems right.

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Also,  the JIT can optijmize away any instanceof checks after inining when
it sees append(stringBuilder).

And any optimizations here are far less critical than they would be if they
applied to each individual char.