Hi, this patch adds check that info is non-NULL. This happens when we duplicate thunk with no param adjustments.
Boottrapped/regtested x86_64, comitted. gcc/ChangeLog: 2020-11-03 Jan Hubicka <hubi...@ucw.cz> PR ipa/97698 * cgraphclones.c (duplicate_thunk_for_node): Check that info is non-NULL. diff --git a/gcc/cgraphclones.c b/gcc/cgraphclones.c index b5793f90b64..36ca6477139 100644 --- a/gcc/cgraphclones.c +++ b/gcc/cgraphclones.c @@ -239,7 +239,7 @@ duplicate_thunk_for_node (cgraph_node *thunk, cgraph_node *node) new_thunk->thunk = thunk->thunk; new_thunk->unique_name = in_lto_p; new_thunk->former_clone_of = thunk->decl; - if (info->param_adjustments) + if (info && info->param_adjustments) clone_info::get_create (new_thunk)->param_adjustments = info->param_adjustments; new_thunk->unit_id = thunk->unit_id;