D-Programming-Language/phobos — pull request #2794 by rainers (2014-12-12 10:39:04+00:00)
Title: Fix Issue 13856 - std.stdio.readln stomps arrays

This avoid interference of readln with standard arrays.
It also avoids an allocation when passing a stack allocated buffer that is large enough to hold the line.

https://issues.dlang.org/show_bug.cgi?id=13856