[Bug libstdc++/48038] [C++0x] stable_sort problem with C++0x and comparator by value

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48038

--- Comment #10 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-03-09 
11:29:22 UTC ---
Of course we already have testcases using the checked __gnu_test::rvalstruct.
We should figure out first what's special here.