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[Bug libstdc++/79162] [7/8 Regression] [C++17] ambiguity in string assignment due to string_view overload
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 20 Sep 2017 18:53:28 +0000
- Subject: [Bug libstdc++/79162] [7/8 Regression] [C++17] ambiguity in string assignment due to string_view overload
- Auto-submitted: auto-generated
- References: <bug-79162-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79162
--- Comment #22 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Wed Sep 20 18:52:56 2017
New Revision: 253025
URL: https://gcc.gnu.org/viewcvs?rev=253025&root=gcc&view=rev
Log:
PR libstdc++/79162 Fix std::string regression due to LWG 2946
PR libstdc++/79162
* include/bits/basic_string.h (basic_string::_If_sv): Remove from the
overload set when the argument is derived from basic_string.
* testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc: New
test.
* testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc:
New test.
Added:
branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc
branches/gcc-7-branch/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc
Modified:
branches/gcc-7-branch/libstdc++-v3/ChangeLog
branches/gcc-7-branch/libstdc++-v3/include/bits/basic_string.h