[Bug bootstrap/55067] [4.8 Regression] AIX bootstrap failure due to lra.c loc_t

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55067

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> 2012-10-25 11:30:39 UTC ---
Shouldn't we poison loc_t in system.h to prevent this issue from popping up
again?