mibintc added a comment.

In https://reviews.llvm.org/D34158#905596, @jyknight wrote:

> I'd still _very_ much like a solution that is acceptable for all libc to use, 
> and have that on by default.
>
> However, I guess this is fine.
>
> Only concern I have is that it seems odd that so many test-cases needed to be 
> changed. What fails without those test changes?


Those tests fail because they generate preprocessed output and then check 
carefully for precise results. Since the preprocessed output is different, the 
comparison fails. I "fixed" the tests by adding the freestanding option which 
inhibits the new behavior.  I'll have to check out and rebuild everything so I 
can show you exactly the failure mode, I expect I can post details tomorrow.


https://reviews.llvm.org/D34158



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