Wandbox

Ran/Viewed Log

Language

C++

Compiler

clang HEAD 12.0.0 (https://github.com/llvm/llvm-project.git 9087209314caafed4b232d4a66287f2d16054ad3)

Options

Warnings

Boost 1.73.0

C++2a

no pedantic

$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/clang-head/include -std=c++2a

prog.cc:10:20: error: call to implicitly-deleted copy constructor of 'std::atomic<int>'
    printf("%i\n", i); // error C4839: non-standard use of class 'std::atomic<int>'
                   ^
/opt/wandbox/clang-head/include/c++/v1/atomic:1779:7: note: copy constructor of 'atomic<int>' is implicitly deleted because base class '__atomic_base<int>' has a deleted copy constructor
    : public __atomic_base<_Tp>
      ^
/opt/wandbox/clang-head/include/c++/v1/atomic:1698:7: note: copy constructor of '__atomic_base<int, true>' is implicitly deleted because base class '__atomic_base<int, false>' has a deleted copy constructor
    : public __atomic_base<_Tp, false>
      ^
/opt/wandbox/clang-head/include/c++/v1/atomic:1675:5: note: '__atomic_base' has been explicitly marked deleted here
    __atomic_base(const __atomic_base&) = delete;
    ^
1 error generated.

Exit Code:

1