Language
C++
Compiler
clang HEAD 9.0.0 (https://github.com/llvm-mirror/clang.git 17a18e2cfb860957b51923f1e5f01287f871653d) (https://github.com/llvm-mirror/llvm.git 027fc20f65ade177ddfdf1bdb3e59cc515fe8f10)
Options
Warnings
Boost 1.70.0
C++2a(GNU)
no pedantic
Raw compiler options
-stdlib=libc++
$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.70.0/clang-head/include -std=gnu++2a -stdlib=libc++prog.exe: prog.cc:9: int main(): Assertion `&*p.begin() == &*p.begin()' failed.
Signal:
Aborted