Missing explicit instantiations in libstdc++ (was Re: Unreviewed

[Mark Mitchell]

--On Monday, December 03, 2001 02:57:05 PM -0800 Benjamin Kosnik 
<bkoz@redhat.com> wrote:

>
>> std::basic_string<unsigned char, std::char_traits<unsigned char>,
>> std::allocator<unsigned char> >::_Rep::_S_max_size(data)
>>
>> or in mangled form
>>
>> _ZNSbIhSt11char_traitsIhESaIhEE4_Rep11_S_max_sizeE
>
> Oh. Note that src/string-inst.cc is instantiating std::string, which is
> std::basic_string<char>
>
> not
>
> std::basic_string<unsigned char>
>
> This (the unsigned instantiation) should be implicitly instantiated from
> the test case in question, namely 22_locale/collate.cc. Apparently it is
> not, for some reason.

Remember that you need explicit instantiations for systems without
weak support.

The V3 tests that instantiate types from the library that are
not preinstantiated should contains *explicit* instantiations so
that the tests work the same on targets without weak symbols.

-- 
Mark Mitchell                mark@codesourcery.com
CodeSourcery, LLC            http://www.codesourcery.com