mirrors/bitcoin
1
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2025-02-22 06:52:36 +01:00
Code Issues Projects Releases Wiki Activity

build: Fix false positive CHECK_ATOMIC test for clang-15

Browse source 
Github-Pull: #29859
Rebased-From: dd3e0fa125
This commit is contained in:
Hennadii Stepanov 2024-04-12 09:52:06 +02:00 • committed by fanquake
parent 9277793b4e
commit 364bf01ff2
No known key found for this signature in database
GPG key ID: 2EEB9F5CC09526C1
1 changed files with 5 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
build-aux/m4/l_atomic.m4
View file

@ -7,7 +7,7 @@ dnl warranty.
# Clang, when building for 32-bit, # Clang, when building for 32-bit,
# and linking against libstdc++, requires linking with # and linking against libstdc++, requires linking with
# -latomic if using the C++ atomic library. # -latomic if using the C++ atomic library.
# Can be tested with: clang++ test.cpp -m32 # Can be tested with: clang++ -std=c++20 test.cpp -m32
# #
# Sourced from http://bugs.debian.org/797228 # Sourced from http://bugs.debian.org/797228
@ -27,8 +27,11 @@ m4_define([_CHECK_ATOMIC_testbody], [[
auto t1 = t.load(); auto t1 = t.load();
t.compare_exchange_strong(t1, 3s); t.compare_exchange_strong(t1, 3s);
std::atomic<int64_t> a{}; std::atomic<double> d{};
d.store(3.14);
auto d1 = d.load();
std::atomic<int64_t> a{};
int64_t v = 5; int64_t v = 5;
int64_t r = a.fetch_add(v); int64_t r = a.fetch_add(v);
return static_cast<int>(r); return static_cast<int>(r);