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From: Jonathan Wakely <redi@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org
Subject: [gcc r12-5551] libstdc++: Remove workaround for FE bug in std::tuple
 [PR96592]
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X-Git-Author: Jonathan Wakely <jwakely@redhat.com>
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Date: Fri, 26 Nov 2021 23:07:41 +0000 (GMT)
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https://gcc.gnu.org/g:76c6be48b7841524974754f8ea7533b82c7de77e

commit r12-5551-g76c6be48b7841524974754f8ea7533b82c7de77e
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Fri Nov 26 17:46:47 2021 +0000

    libstdc++: Remove workaround for FE bug in std::tuple [PR96592]
    
    The FE bug was fixed, so we don't need this workaround now.
    
    libstdc++-v3/ChangeLog:
    
            PR libstdc++/96592
            * include/std/tuple (tuple::is_constructible): Remove.

Diff:
---
 libstdc++-v3/include/std/tuple | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/libstdc++-v3/include/std/tuple b/libstdc++-v3/include/std/tuple
index 36dc05d97bc..fa9ff17882b 100644
--- a/libstdc++-v3/include/std/tuple
+++ b/libstdc++-v3/include/std/tuple
@@ -553,10 +553,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   template<bool, typename... _Types>
     struct _TupleConstraints
     {
-      template<typename _Tp, typename _Up> // Workaround for PR 96592
-	using is_constructible
-	  = __bool_constant<__is_constructible(_Tp, _Up)>;
-
       // Constraint for a non-explicit constructor.
       // True iff each Ti in _Types... can be constructed from Ui in _UTypes...
       // and every Ui is implicitly convertible to Ti.