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From: "vakili at live dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/110124] New: Not inlining comparison operator when using std::tie with -std=c++20 Date: Mon, 05 Jun 2023 11:27:27 +0000 [thread overview] Message-ID: <bug-110124-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110124 Bug ID: 110124 Summary: Not inlining comparison operator when using std::tie with -std=c++20 Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: vakili at live dot com Target Milestone: --- Here is a simple class with a operator<(): struct A { int a0; int a1; int a2; friend inline constexpr bool operator<(const A& x, const A& y) { return std::tie(x.a0, x.a1, x.a2) < std::tie(y.a0, y.a1, y.a2); } }; When compiling this code with -std=c++17 the operator will be inlined at usage location. But when compiled with -std=c++20 it will not be inlined. Here is the compiler explorer snippet showing the situation: https://godbolt.org/z/4KdzWjvx4 The problem exists from g++ 10.0 to the trunk (14.0).
next reply other threads:[~2023-06-05 11:27 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-06-05 11:27 vakili at live dot com [this message] 2023-06-05 15:32 ` [Bug c++/110124] " pinskia at gcc dot gnu.org 2023-06-05 15:34 ` pinskia at gcc dot gnu.org 2023-06-05 15:38 ` pinskia at gcc dot gnu.org 2023-06-05 15:40 ` pinskia at gcc dot gnu.org
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