[LLVMdev] why 'const' void * return for ThreadLocalImpl::getInstance()?

[David Majnemer]

Should be fixed with r224225.

On Thu, Dec 11, 2014 at 6:48 PM, Andy Ayers <andya at microsoft.com> wrote:
>
>  Yeah, I was using that -- I have, more or less,
>
>
>
> struct S {...};
>
> llvm::sys::ThreadLocal<S> TLS;
>
> S * s = TLS.get();
>
>
>
> The static_cast in ThreadLocal::get is where the compiler gripes…. Unable
> to convert from ‘const void *’ to ‘S *’.
>
>
>
> *From:* David Majnemer [mailto:david.majnemer at gmail.com]
> *Sent:* Thursday, December 11, 2014 6:39 PM
> *To:* Andy Ayers
> *Cc:* llvmdev at cs.uiuc.edu
> *Subject:* Re: [LLVMdev] why 'const' void * return for
> ThreadLocalImpl::getInstance()?
>
>
>
> I think you are supposed to use ThreadLocal::get in cases where you want a
> pointer to mutable data:
> http://llvm.org/docs/doxygen/html/classllvm_1_1sys_1_1ThreadLocal.html#a66c83dcd38d9048a4f95255e44f13a0c
>
>
>
> On Thu, Dec 11, 2014 at 5:49 PM, Andy Ayers <andya at microsoft.com> wrote:
>
>  I’m probably missing something obvious here, but naively, this makes it
> kind of awkward to have mutable thread local state…
>
>
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