[llvm-dev] unusual use of getenv

[James Y Knight via llvm-dev]

Replacing the getenv with this ought to be sufficient:
    volatile int opaque_flag = 0;
    if (!opaque_flag) return;

On Mon, Nov 2, 2020 at 4:25 PM Luke Drummond via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> On Mon Nov 2, 2020 at 7:56 PM GMT, Johannes Doerfert wrote:
>
> > Last time I removed the getenv calls, as an Aprils fool joke btw [1],
> > I ended up with a compiler that was unable to do a stage 2 build, IIRC.
> >
> > [1] https://lists.llvm.org/pipermail/llvm-dev/2019-April/131466.html
> >
> Wonderful! When I asked about this internally, a colleague said they were
> going
> to create a platform where `getenv` can return `-1`.
>
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