On Tue, Jun 14, 2011 at 3:44 PM, Chris Lattner <[email protected]> wrote:
>
> On Jun 14, 2011, at 1:57 PM, Eli Friedman wrote:
>
>> On Mon, Jun 13, 2011 at 11:38 PM, Chris Lattner <[email protected]> wrote:
>>> Author: lattner
>>> Date: Tue Jun 14 01:38:10 2011
>>> New Revision: 132983
>>>
>>> URL: http://llvm.org/viewvc/llvm-project?rev=132983&view=rev
>>> Log:
>>> when compiling in a GNU mode (e.g. gnu99) treat VLAs with a size that can
>>> be folded to a constant
>>> as constant size arrays. This has slightly different semantics in some
>>> insane cases, but allows
>>> us to accept some constructs that GCC does. Continue to be pedantic in
>>> -std=c99 and other
>>> modes. This addressed rdar://8733881 - error "variable-sized object may
>>> not be initialized"; g++ accepts same code
>>
>> http://smooshlab.apple.com:8013/builders/gccTestSuite_clang-x86_64-darwin10-RA__c
>
> Interesting, one instance (array-5.c) is failing exactly because of what
> we're trying to do here. Passing -std=c99 fixes the failure. Does anyone
> know how to do this to the test?
/* { dg-options { -std=c99 } } */
-Eli
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