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[v1] PR libstdc++/84769 qualify std::get to avoid ADL

Message ID 20180503185522.1734-1-duarte@scylladb.com
State New
Headers show
Series [v1] PR libstdc++/84769 qualify std::get to avoid ADL | expand

Commit Message

Duarte Nunes May 3, 2018, 6:55 p.m. UTC
PR libstdc++/84769
* include/std/variant (visit<_Visitor, _Variants...>):
Qualify call to std::get<_Np, _Types...>.

Signed-off-by: Duarte Nunes <duarte@scylladb.com>
---
 ChangeLog                        | 6 ++++++
 libstdc++-v3/include/std/variant | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

Comments

Jonathan Wakely May 3, 2018, 7 p.m. UTC | #1
On 03/05/18 20:55 +0200, Duarte Nunes wrote:
>PR libstdc++/84769
>* include/std/variant (visit<_Visitor, _Variants...>):
>Qualify call to std::get<_Np, _Types...>.

Thanks for the patch, I was already testing the same change and just
committed the attached patch to trunk. Backports for other branches to
follow shortly.



>---
> ChangeLog                        | 6 ++++++
> libstdc++-v3/include/std/variant | 2 +-
> 2 files changed, 7 insertions(+), 1 deletion(-)
>
>diff --git a/ChangeLog b/ChangeLog
>index ec03a5bcdad..bf2c58aee2b 100644
>--- a/ChangeLog
>+++ b/ChangeLog

N.B. libstdc++ has its own ChangeLog file, in libstdc++-v3/ChangeLog


>@@ -1,3 +1,9 @@
>+2018-05-03 Duarte Nunes <duarte@scylladb.com>
>+
>+PR libstdc++/84769
>+	* include/std/variant (visit<_Visitor, _Variants...>):
>+	Qualify call to std::get<_Np, _Types...>.
>+
> 2018-05-01  Francois H. Theron  <francois.theron@netronome.com>
>
> 	* configure.ac: Added "nfp" target.
>diff --git a/libstdc++-v3/include/std/variant b/libstdc++-v3/include/std/variant
>index f64c037a514..40b3b566938 100644
>--- a/libstdc++-v3/include/std/variant
>+++ b/libstdc++-v3/include/std/variant
>@@ -1389,7 +1389,7 @@ namespace __variant
>
>       using _Result_type =
> 	decltype(std::forward<_Visitor>(__visitor)(
>-	    get<0>(std::forward<_Variants>(__variants))...));
>+	    std::get<0>(std::forward<_Variants>(__variants))...));
>
>       constexpr auto& __vtable = __detail::__variant::__gen_vtable<
> 	_Result_type, _Visitor&&, _Variants&&...>::_S_vtable;
>-- 
>2.17.0
>
commit e5fb1ad534a0a7323008c65838a6b131cd80e6d4
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Thu May 3 19:36:25 2018 +0100

    PR libstdc++/84769 qualify call to std::get<0>
    
            PR libstdc++/84769
            * include/std/variant (visit): Qualify std::get call.

diff --git a/libstdc++-v3/include/std/variant b/libstdc++-v3/include/std/variant
index f64c037a514..40b3b566938 100644
--- a/libstdc++-v3/include/std/variant
+++ b/libstdc++-v3/include/std/variant
@@ -1389,7 +1389,7 @@ namespace __variant
 
       using _Result_type =
 	decltype(std::forward<_Visitor>(__visitor)(
-	    get<0>(std::forward<_Variants>(__variants))...));
+	    std::get<0>(std::forward<_Variants>(__variants))...));
 
       constexpr auto& __vtable = __detail::__variant::__gen_vtable<
 	_Result_type, _Visitor&&, _Variants&&...>::_S_vtable;
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Patch

diff --git a/ChangeLog b/ChangeLog
index ec03a5bcdad..bf2c58aee2b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@ 
+2018-05-03 Duarte Nunes <duarte@scylladb.com>
+
+PR libstdc++/84769
+	* include/std/variant (visit<_Visitor, _Variants...>):
+	Qualify call to std::get<_Np, _Types...>.
+
 2018-05-01  Francois H. Theron  <francois.theron@netronome.com>
 
 	* configure.ac: Added "nfp" target.
diff --git a/libstdc++-v3/include/std/variant b/libstdc++-v3/include/std/variant
index f64c037a514..40b3b566938 100644
--- a/libstdc++-v3/include/std/variant
+++ b/libstdc++-v3/include/std/variant
@@ -1389,7 +1389,7 @@  namespace __variant
 
       using _Result_type =
 	decltype(std::forward<_Visitor>(__visitor)(
-	    get<0>(std::forward<_Variants>(__variants))...));
+	    std::get<0>(std::forward<_Variants>(__variants))...));
 
       constexpr auto& __vtable = __detail::__variant::__gen_vtable<
 	_Result_type, _Visitor&&, _Variants&&...>::_S_vtable;