r183883 - Implement core issue 903: only integer literals with value 0 and prvalues of

[Jordan Rose]

On Jun 17, 2013, at 12:20 , Nico Weber <thakis at chromium.org> wrote:

> On Mon, Jun 17, 2013 at 9:38 AM, Jordan Rose <jordan_rose at apple.com> wrote:
> *sigh* I can't say this is the wrong thing to do—in fact, it's the kind of restriction I usually like—but for the record this breaks OS X's (ancient) libstdc++ implementation of <tr1/unordered_map> when compiling under -std=c++11. I don't think that's such an important configuration, though.
> 
> That means it breaks all programs that try to build in C++11 mode but still need to ship to 10.6 (like, say, Chromium). Can this be worked around somehow?

Will that still be true by the next Xcode release? It's not in 4.6.2, and I can watch to make sure it stays out of Xcode 5. Do you really need to build your 10.6-compatible binary with trunk Clang in C++11 mode?

Richard, I suppose you could make it a warning...

Jordan

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