http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46818
--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2010-12-06 13:26:42 UTC --- The test in comment #1 compiles with -fno-whole-file, so the regression comes from -fwhole-file being the default (compiles with r162456, ICE with r166102).