https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82287
Bug ID: 82287
Summary: When compiling with O2 or O3, memory model rejected
Product: gcc
Version: 4.9.4
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: geof.sawaya at oculus dot com
Target Milestone: ---
g++ testThreadSpawnTime.cpp -o testThreadSpawnTime -std=c++11 -O3
In file included from /usr/local/include/c++/4.9.4/atomic:41:0,
from testThreadSpawnTime.cpp:5:
/usr/local/include/c++/4.9.4/bits/atomic_base.h: In function ‘int main()’:
/usr/local/include/c++/4.9.4/bits/atomic_base.h:478:2: error: invalid memory
model for ‘__atomic_store’
__atomic_store_n(&_M_i, __i, __m);
^
/usr/local/include/c++/4.9.4/bits/atomic_base.h:478:2: error: invalid memory
model for ‘__atomic_store’
__atomic_store_n(&_M_i, __i, __m);
^
/usr/local/include/c++/4.9.4/bits/atomic_base.h:478:2: error: invalid memory
model for ‘__atomic_store’
__atomic_store_n(&_M_i, __i, __m);
^
The memory model is std::memory_order_acquire (used in atomic::store).
