[Bug middle-end/59470] [4.8 Regression] libstdc++ miscompilation after r205709

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470

--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 31426
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31426&action=edit
gcc48-pr59470-test.patch

Runtime testcase that shows the LRA problem.