[patch] Fix invalid attributes in libstdc++

[Jonathan Wakely]

On 03/02/15 10:37 +0000, Iain Sandoe wrote:
>Hi Jonathan,
>
>On 1 Feb 2015, at 15:10, Jonathan Wakely wrote:
>
>> On 01/02/15 15:08 +0000, Jonathan Wakely wrote:
>>> I failed to CC gcc-patches on this patch ...
>>>
>>> On 29/01/15 13:02 +0000, Jonathan Wakely wrote:
>>>> Jakub pointed out that we have some attributes that don't use the
>>>> reserved namespace, e.g. __attribute__ ((always_inline)).
>>>>
>>>> This is a 4.9/5 regression and the fix was pre-approved by Jakub so
>>>> I've committed it to trunk.
>>>>
>>>> When we're back in stage1 I'll fix the TODO comments in the new tests
>>>> (see PR64857) and will also rename testsuite/17_intro/headers/c++200x
>>>> to .../c++2011.
>>>>
>>
>> The new test fails on darwin (PR64883) and --enable-threads=single
>> targets (PR64885).
>>
>> This is a workaround for 64883. Tested x86_64-linux, committed to
>> trunk.
>> <patch.txt>
>
>the following additional tweaks provide further work-arounds.
>... checked on darwin12 and darwin14.

OK for trunk - thanks.

>I have a fixincludes patch for next stage #1.
>Iain
>

>diff --git a/libstdc++-v3/testsuite/17_intro/headers/c++1998/all_attributes.cc b/libstdc++-v3/testsuite/17_intro/headers/c++1998/all_attributes.cc
>index 76a935e..6fc362a 100644
>--- a/libstdc++-v3/testsuite/17_intro/headers/c++1998/all_attributes.cc
>+++ b/libstdc++-v3/testsuite/17_intro/headers/c++1998/all_attributes.cc
>@@ -26,11 +26,11 @@
> // darwin headers use these, see PR 64883
> # define deprecated 1
> # define noreturn 1
>+# define visibility 1
> #endif
> #define packed 1
> #define pure 1
> #define unused 1
>-#define visibility 1
>
> #include <bits/stdc++.h> // TODO: this is missing from <bits/extc++.h>
> #include <bits/extc++.h>
>diff --git a/libstdc++-v3/testsuite/17_intro/headers/c++200x/all_attributes.cc b/libstdc++-v3/testsuite/17_intro/headers/c++200x/all_attributes.cc
>index c7ec27a..0726e3f 100644
>--- a/libstdc++-v3/testsuite/17_intro/headers/c++200x/all_attributes.cc
>+++ b/libstdc++-v3/testsuite/17_intro/headers/c++200x/all_attributes.cc
>@@ -22,11 +22,14 @@
> // Don't test 'const' and 'noreturn' because they are reserved anyway.
> #define abi_tag 1
> #define always_inline 1
>-#define deprecated 1
>+#ifndef __APPLE__
>+// darwin headers use these, see PR 64883
>+# define visibility 1
>+# define deprecated 1
>+#endif
> #define packed 1
> #define pure 1
> #define unused 1
>-#define visibility 1
>
> #include <bits/stdc++.h> // TODO: this is missing from <bits/extc++.h>
> #include <codecvt>       // TODO: this is missing from <bits/stdc++.h>
>diff --git a/libstdc++-v3/testsuite/17_intro/headers/c++2014/all_attributes.cc b/libstdc++-v3/testsuite/17_intro/headers/c++2014/all_attributes.cc
>index 533a6f1..06bcb8e 100644
>--- a/libstdc++-v3/testsuite/17_intro/headers/c++2014/all_attributes.cc
>+++ b/libstdc++-v3/testsuite/17_intro/headers/c++2014/all_attributes.cc
>@@ -22,11 +22,14 @@
> // Don't test 'const' and 'noreturn' because they are reserved anyway.
> #define abi_tag 1
> #define always_inline 1
>-#define deprecated 1
>+#ifndef __APPLE__
>+// darwin headers use these, see PR 64883
>+# define deprecated 1
>+# define visibility 1
>+#endif
> #define packed 1
> #define pure 1
> #define unused 1
>-#define visibility 1
>
> #include <bits/stdc++.h> // TODO: this is missing from <bits/extc++.h>
> #include <shared_mutex>  // TODO: this is missing from <bits/stdc++.h>

>
>