SASANO Takayoshi on Nostr: #ifndef NOMEMCPY if ((unsigned)w - d >= e) /* (this test assumes unsigned comparison) ...

#ifndef NOMEMCPY
if ((unsigned)w - d >= e)
/* (this test assumes unsigned comparison) */
{
putchar('[');fflush(stdout);
memcpy(redirSlide + (unsigned)w, redirSlide + d, e);
putchar(']');fflush(stdout);
w += e;
d += e;
}
else /* do it slowly to avoid memcpy() overlap */
#endif /* !NOMEMCPY */

ここのmemcpy()で落ちてる（けどcore吐いてない）