r365030 - Make a buildbot using a buggy gcc happy

[Richard Smith via cfe-commits]

Committed as r365377.

On Mon, 8 Jul 2019 at 12:43, Kristóf Umann via cfe-commits <
cfe-commits at lists.llvm.org> wrote:

> Thank you so much! Sorry for the inconvencience, I'll be that much more
> careful next time :)
>

=) No worries. It's one of those pesky "no diagnostic required" cases;
they're often a pain.


> On Mon, 8 Jul 2019, 21:42 Richard Smith, <richard at metafoo.co.uk> wrote:
>
>> I'll commit the change below once my testing finishes :)
>>
>> On Mon, 8 Jul 2019 at 12:40, Kristóf Umann via cfe-commits <
>> cfe-commits at lists.llvm.org> wrote:
>>
>>> Noted, thanks! Gabor, could you please fix this?
>>>
>>> On Mon, 8 Jul 2019, 21:37 Richard Smith, <richard at metafoo.co.uk> wrote:
>>>
>>>> This is in any case the wrong fix. The code *is* wrong, for the reason
>>>> this compiler is reporting.
>>>>
>>>> The correct fix is to declare the explicit specializations in the
>>>> header file:
>>>>
>>>> template <> void CFGDominatorTreeImpl<true>::anchor();
>>>> template <> void CFGDominatorTreeImpl<false>::anchor();
>>>>
>>>> Clang will tell you to do this under -Wundefined-func-template (which
>>>> we haven't turned on by default because people get this wrong too often...).
>>>>
>>>> On Mon, 8 Jul 2019 at 12:29, JF Bastien via cfe-commits <
>>>> cfe-commits at lists.llvm.org> wrote:
>>>>
>>>>> Kristof,
>>>>>
>>>>> It looks like your fix didn’t address all the bots:
>>>>>
>>>>> /Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/tools/clang/lib/Analysis/Dominators.cpp:14:48:
>>>>> error: explicit specialization of 'anchor' after instantiation void
>>>>> CFGDominatorTreeImpl</*IsPostDom=*/true>::anchor() {} ^
>>>>> /Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/tools/clang/include/clang/Analysis/Analyses/Dominators.h:225:3:
>>>>> note: implicit instantiation first required here
>>>>> ControlDependencyCalculator(CFG *cfg) ^
>>>>>
>>>>> Can you please address the issue?
>>>>>
>>>>> http://green.lab.llvm.org/green/job/clang-stage2-coverage-R/4153/consoleFull
>>>>>
>>>>> Thanks,
>>>>>
>>>>> JF
>>>>>
>>>>>
>>>>> On Jul 3, 2019, at 5:06 AM, Kristof Umann via cfe-commits <
>>>>> cfe-commits at lists.llvm.org> wrote:
>>>>>
>>>>> Author: szelethus
>>>>> Date: Wed Jul  3 05:06:10 2019
>>>>> New Revision: 365030
>>>>>
>>>>> URL: http://llvm.org/viewvc/llvm-project?rev=365030&view=rev
>>>>> Log:
>>>>> Make a buildbot using a buggy gcc happy
>>>>>
>>>>> When specializing a template in a namespace, it has to be in a
>>>>> namespace
>>>>> block, else gcc will get confused. Hopefully this fixes the issue.
>>>>>
>>>>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480
>>>>>
>>>>> Modified:
>>>>>    cfe/trunk/lib/Analysis/Dominators.cpp
>>>>>
>>>>> Modified: cfe/trunk/lib/Analysis/Dominators.cpp
>>>>> URL:
>>>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/Dominators.cpp?rev=365030&r1=365029&r2=365030&view=diff
>>>>>
>>>>> ==============================================================================
>>>>> --- cfe/trunk/lib/Analysis/Dominators.cpp (original)
>>>>> +++ cfe/trunk/lib/Analysis/Dominators.cpp Wed Jul  3 05:06:10 2019
>>>>> @@ -8,10 +8,12 @@
>>>>>
>>>>> #include "clang/Analysis/Analyses/Dominators.h"
>>>>>
>>>>> -using namespace clang;
>>>>> +namespace clang {
>>>>>
>>>>> template <>
>>>>> -void clang::CFGDominatorTreeImpl</*IsPostDom=*/true>::anchor() {}
>>>>> +void CFGDominatorTreeImpl</*IsPostDom=*/true>::anchor() {}
>>>>>
>>>>> template <>
>>>>> -void clang::CFGDominatorTreeImpl</*IsPostDom=*/false>::anchor() {}
>>>>> +void CFGDominatorTreeImpl</*IsPostDom=*/false>::anchor() {}
>>>>> +
>>>>> +} // end of namespace clang
>>>>>
>>>>>
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>>>>>
>>>>>
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