[cfe-commits] r154564 - /cfe/trunk/test/Sema/const-eval.c

[Richard Smith]

On Wed, Apr 11, 2012 at 7:06 PM, John McCall <rjmccall at apple.com> wrote:

> On Apr 11, 2012, at 4:32 PM, Eli Friedman wrote:
> > Author: efriedma
> > Date: Wed Apr 11 18:32:29 2012
> > New Revision: 154564
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=154564&view=rev
> > Log:
> > Add test for a construct we currently reject, constant-evaluating a load
> from a constant string.  Given that gcc doesn't accept this, we should
> continue to not accept it, even though it was accidentally supported by
> clang for a brief period.
>
> Did I miss the discussion where we decided to stop supporting this?
> GCC is wrong;  it's pretty clearly a constant expression under the
> C++11 rules unless they've changed since the last time I looked.
>

We (and g++) accept it in C++11, but not in any other language. This seems
to conform with all relevant standards, unless I've missed something.
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