[Bug middle-end/102764] [12 Regression] -fcompare-debug failure (length) at -O3 since r12-630-g7c4c9fcc0de86587

[ebotcazou at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102764

--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
This seems to work:

diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c
index 03260b019e5..8b067f9d848 100644
--- a/gcc/cfgexpand.c
+++ b/gcc/cfgexpand.c
@@ -6090,7 +6090,7 @@ expand_gimple_basic_block (basic_block bb, bool
disable_tail_calls)
   /* Expand implicit goto and convert goto_locus.  */
   FOR_EACH_EDGE (e, ei, bb->succs)
     {
-      if (e->goto_locus != UNKNOWN_LOCATION || !stmt)
+      if (e->goto_locus != UNKNOWN_LOCATION || !stmt || is_gimple_debug
(stmt))
        set_curr_insn_location (e->goto_locus);
       if ((e->flags & EDGE_FALLTHRU) && e->dest != bb->next_bb)
        {