On Wed, Feb 1, 2017 at 10:59 AM T L <tapir....@gmail.com> wrote:

> It is obviously that both strings.Repeat and string([]byte(s)) make two
1M memory allocations.

The observation is correct. However, stack allocating of non-leaking items
is capped in size and I guess 1M is out of limits. The specific constant is
to be found somewhere in the runtime sources.

-- 

-j

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