[llvm] r201811 - [Support] Correctly handle zero length inputs to UTF conversion functions on Windows.

[Chandler Carruth]

On Thu, Feb 20, 2014 at 4:46 PM, Gao, Yunzhong <
yunzhong_gao at playstation.sony.com> wrote:

> I do have a script that demonstrates the problem, but I am not sure
> whether it is possible to convert it into a regression test
> case (Any advice on this?).
>

Why can't we use unit testing the way we routinely do for Support libraries
precisely because the failure is typically too far from the error to make
regression testing useful?
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