std::atomic_ref broken with const #149686
Description
std::atomic_ref::load() should work with a const value.
The following code should compile.
#include <atomic>
int main()
{
int const x = 10;
return std::atomic_ref(x).load();
}This is not a shallow const issue, but an implementation bug, where the exact type of the value is used rather than removing the cv qualifiers before calling __atomic_load. This seems reasonable from the specification, the fact that load() is const for std::atomic, and the above code compiles if we use libstdc++ with clang, gcc, icc, or msvc.