http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57081
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2013-04-26 AssignedTo|unassigned at gcc dot |rguenth at gcc dot gnu.org |gnu.org | Target Milestone|--- |4.9.0 Summary|Segmentation fault in |[4.9 Regression] |simple_iv |Segmentation fault in |(tree-scalar-evolution.c:31 |simple_iv |51) |(tree-scalar-evolution.c:31 | |51) Ever Confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> 2013-04-26 11:57:10 UTC --- (gdb) call debug_tree (op) <ssa_name 0x7ffff6d05ab0 nothrow var <var_decl 0x7ffff6d242f8 b>def_stmt version 1 in-free-list> (gdb) call debug_gimple_stmt (stmt) if (b_1 != 0) It looks at loop->bounds which are appearantly not freed by the pass creating them.