http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53019
--- Comment #5 from Adam Borowski <kilobyte at angband dot pl> 2012-05-30 21:56:36 UTC --- The changelog for Debian upload which included the fix is: * Update to SVN 20120509 (r187339) from the gcc-4_7-branch. - Fix PR libstdc++/53193, PR target/53272, PR tree-optimization/53239, PR tree-optimization/53195, PR target/52999, PR target/53228, PR tree-optimization/52633, PR tree-optimization/52870, PR target/48496, PR target/53199, PR target/52684, PR lto/52605, PR plugins/53126, PR debug/53174, PR target/53187, PR tree-optimization/53144, PR c++/53186, PR fortran/53255, PR fortran/53111, PR fortran/52864. Previous one was SVN 20120502 (r187039). I'll try trunk, although with its complex build system and me being quite busy, I sadly don't promise to finish it by tonight.