[cfe-commits] [Patch] When inside template instantiations, prevent warnings on constant operands of logical operators.

[Richard Trieu]

Committed revision 135222.

On Thu, Jul 14, 2011 at 4:51 PM, Chandler Carruth <chandlerc at google.com>wrote:

> Looks great, please commit!
>
> On Thu, Jul 14, 2011 at 4:36 PM, Richard Trieu <rtrieu at google.com> wrote:
>
>> Remove warnings of constant operands of logical operators from template
>> instantiations.  Upon instantiation of template, value-dependent parameters
>> are replaced by equivalent literals, so code like:
>>
>> template<unsigned int A, unsigned int B> struct S {
>>   int foo() {
>>     int x = A && B;
>>   }
>> }
>>
>> will not warn on A && B on every instantiation.  This will still warn on
>> other cases inside templates, which will be caught on checking the template
>> definition.
>>
>> Patch attached and available at http://codereview.appspot.com/4650076/
>>
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>>
>>
>
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