[libcxx-commits] [PATCH] D149295: [libc++] Make std::bind constexpr-friendly
Louis Dionne via Phabricator via libcxx-commits
libcxx-commits at lists.llvm.org
Wed Apr 26 14:21:04 PDT 2023
ldionne created this revision.
Herald added a project: All.
ldionne requested review of this revision.
Herald added a project: libc++.
Herald added a subscriber: libcxx-commits.
Herald added a reviewer: libc++.
std::bind is supposed to be constexpr-friendly since C++20 and it was
marked as such in our synopsis. However, the tests were not actually
testing any of it and as it happens, std::bind was not really constexpr
friendly. This fixes the issue and makes sure that at least some of the
tests are running in constexpr mode.
Some tests for std::bind check functions that return void, and those
use global variables. These tests haven't been made constexpr-friendly,
however the coverage added by this patch should be sufficient to get
decent confidence.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D149295
Files:
libcxx/include/__functional/bind.h
libcxx/include/__functional/invoke.h
libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.bind/PR23141.pass.cpp
libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.bind/PR23141_invoke_not_constexpr.pass.cpp
libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.bind/invoke_int_0.pass.cpp
libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.bind/invoke_lvalue.pass.cpp
libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.bind/invoke_rvalue.pass.cpp
libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.bind/nested.pass.cpp
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