Audit for application of function attributes notrow, const, pure, and noreturn.
</para>
+<para>
+The default behavior for comparing typeinfo names changed, so
+in <filename class="headerfile">typeinfo</filename>, <literal>__GXX_MERGED_TYPEINFO_NAMES</literal>
+now defaults to zero.
+</para>
+
<para> Extensions modified: <filename class="headerfile">ext/throw_allocator.h</filename>.
</para>
</sect2>