http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49308
--- Comment #6 from Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> 2011-06-07 07:45:53 UTC --- (In reply to comment #5) > Your gdb is very old. > Then > rm dce.o; make CFLAGS="-g -O0" cc1 cc1plus f951 > and retry. upgraded gdb instead (7.2). Now I have: (gdb) p *defs Cannot access memory at address 0xafafafafafafafaf (gdb) p *defs->ref Cannot access memory at address 0xafafafafafafafaf (gdb) p (*use_rec)->base.chain $1 = (struct df_link *) 0xafafafafafafafaf (gdb) p (*use_rec) $2 = (df_ref) 0x1638760
