1 implementation status</h2>

<p>Clang 3.3 and later implement all of the <a
  href="http://www.iso.org/iso/catalogue_detail.htm?csnumber=50372">ISO
  C++ 2011 standard</a>.

<p>By default, Clang builds C++ code according to the C++98 standard, with many
C++11 features accepted as extensions. You can use Clang in C++11 mode with the
<code>-std=c++11</code> option. Clang's C++11 mode can be used
with <a href="http://libcxx.llvm.org/">libc++</a> or with gcc's libstdc++.

<details>
<summary>List of features an