[Issue 8471] std.stdio.readf should be @trusted

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8471

--- Comment #7 from Andrei Alexandrescu <andrei at erdani.com> ---
Cool, thanks, then the bug is legit. The fix would be a @safe function with a
small @trusted core.

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