http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49308
--- Comment #2 from Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> 2011-06-07 07:12:14 UTC --- (In reply to comment #1) > http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174699 > then. What does: > p *defs > p *defs->ref > say? strangely (gdb) list 513 df_ref use = *use_rec; 514 struct df_link *defs; 515 for (defs = DF_REF_CHAIN (use); defs; defs = defs->next) 516 { 517 rtx insn; 518 if (DF_REF_IS_ARTIFICIAL (defs->ref)) 519 continue; 520 insn = DF_REF_INSN (defs->ref); 521 if (!marked_insn_p (insn)) 522 break; (gdb) p *defs No symbol "defs" in current context.