[llvm] r305168 - [ADT] Use LLVM_ATTRIBUTE_USED instead of __attribute__ for unit test

[Francis Ricci via llvm-commits]

Should be fixed by r305188.

On Mon, Jun 12, 2017 at 2:35 AM, Mikael Holmén
<mikael.holmen at ericsson.com> wrote:
> Hi Francis,
>
> I get the following when I compile with clang 3.6.0:
>
> ../unittests/ADT/SmallVectorTest.cpp:447:13: error: '__used__' attribute
> only applies to variables and functions [-Werror,-Wignored-attributes]
>     typedef LLVM_ATTRIBUTE_USED std::output_iterator_tag iterator_category;
>             ^
> ../include/llvm/Support/Compiler.h:115:44: note: expanded from macro
> 'LLVM_ATTRIBUTE_USED'
> #define LLVM_ATTRIBUTE_USED __attribute__((__used__))
>                                            ^
> Regards,
> Mikael
>
> On 06/11/2017 09:28 PM, Francis Ricci via llvm-commits wrote:
>>
>> Author: fjricci
>> Date: Sun Jun 11 14:28:21 2017
>> New Revision: 305168
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=305168&view=rev
>> Log:
>> [ADT] Use LLVM_ATTRIBUTE_USED instead of __attribute__ for unit test
>>
>> Modified:
>>      llvm/trunk/unittests/ADT/SmallVectorTest.cpp
>>
>> Modified: llvm/trunk/unittests/ADT/SmallVectorTest.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/ADT/SmallVectorTest.cpp?rev=305168&r1=305167&r2=305168&view=diff
>>
>> ==============================================================================
>> --- llvm/trunk/unittests/ADT/SmallVectorTest.cpp (original)
>> +++ llvm/trunk/unittests/ADT/SmallVectorTest.cpp Sun Jun 11 14:28:21 2017
>> @@ -444,11 +444,11 @@ TYPED_TEST(SmallVectorTest, AppendRepeat
>>     SCOPED_TRACE("AppendRepeatedTest");
>>       struct output_iterator {
>> -    typedef __attribute__((used)) std::output_iterator_tag
>> iterator_category;
>> -    typedef __attribute__((used)) int value_type;
>> -    typedef __attribute__((used)) int difference_type;
>> -    typedef __attribute__((used)) value_type *pointer;
>> -    typedef __attribute__((used)) value_type &reference;
>> +    typedef LLVM_ATTRIBUTE_USED std::output_iterator_tag
>> iterator_category;
>> +    typedef LLVM_ATTRIBUTE_USED int value_type;
>> +    typedef LLVM_ATTRIBUTE_USED int difference_type;
>> +    typedef LLVM_ATTRIBUTE_USED value_type *pointer;
>> +    typedef LLVM_ATTRIBUTE_USED value_type &reference;
>>       operator int() { return 2; }
>>       operator Constructable() { return 7; }
>>     };
>>
>>
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>