[cfe-dev] [lldb-dev] [LLVMdev] [3.7 Release] We have branched

[Nico Weber]

On Wed, Jul 15, 2015 at 10:45 AM, Russell Wallace <russell.wallace at gmail.com
> wrote:

> Basic test results on Windows 7, visual studio 2013 (64 bit):
>
> Build clang with visual studio - okay
>
> Build clang with itself - okay
>
> Build Python - okay
>
> Build Ruby - fails on conftest.c, but 3.6 also failed so this is not a
> regression bug
>
> Build Perl - fails. 3.6 also failed, but I think the error message was
> different, so this could be a regression bug but hopefully it's actually an
> improvement. Current error message:
>
>         cl -c -I. -nologo -GF -W3 -I..\lib\CORE -I.\include -I. -I..
> -DWIN32 -D_CONSOLE -DNO_STRICT -DWIN64 -DCONSERVATIVE
> -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE -DPERLDLL -DPERL_CORE
>   -O1 -MD -Zi -DNDEBUG -GL -fp:precise  -DPERL_TEXTMODE_SCRIPTS
> -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -TP -EHsc -Foperllib.obj
> perllib.c
> clang-cl.exe: warning: argument unused during compilation: '-GL'
> In file included from perllib.c:10:
> In file included from ..\lib\CORE\perl.h:3060:
> In file included from .\win32thread.h:4:
> ./win32.h(284,25) :  error: 'selectany' can only be applied to data items
> with external linkage
>

That line is:
extern const __declspec(selectany) union { unsigned __int64 __q; double
__d; } __PL_nan_u = { 0x7FF8000000000000UI64 };

If it's written like so, clang-cl accepts it:
union U { unsigned __int64 __q; double __d; };
extern const __declspec(selectany) U __PL_nan_u = { 0x7FF8000000000000UI64
};

I guess cl.exe applies the declspec to __PL_nan_u while we try to apply it
to the type? (Even though it's written before "union", so according to
https://msdn.microsoft.com/en-us/library/dabb5z75.aspx it should apply to
the variable.) Is there a bug filed for this?



>
>
> On Wed, Jul 15, 2015 at 1:25 AM, Hans Wennborg <hans at chromium.org> wrote:
>
>> Hi all,
>>
>> The 3.7 release branch was created from trunk at r242221 today (around
>> 10:40 pm UTC).
>>
>> Branch policy:
>>
>> - Any doc changes can go in. Updates to the release notes are highly
>> encouraged, and should be committed directly to the branch.
>>
>> - All other patches should be approved by the release manager (me) and
>> the appropriate code owner. To get a change merged, commit it to
>> trunk, and then reply to the commit email with myself and the code
>> owner cc'd, asking for approval.
>>
>> - Fixes to complete existing features may be merged. However, the
>> features must be completed before Phase II of testing starts,
>> otherwise they should be disabled. If you recently committed something
>> experimental to trunk, please make sure it's disabled on the branch.
>>
>> - For any bug fixes that you think might apply to the release branch,
>> please cc me on the commit message.
>>
>> Cheers,
>> Hans
>> _______________________________________________
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>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>
>
>
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