https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106087
--- Comment #12 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
diff --git a/gcc/tree-ssa-dce.cc b/gcc/tree-ssa-dce.cc
index bc533582673..03d0fcdd8d7 100644
--- a/gcc/tree-ssa-dce.cc
+++ b/gcc/tree-ssa-dce.cc
@@ -2061,6 +2061,10 @@ simple_dce_from_worklist (bitmap worklist)
if (gimple_has_side_effects (t))
continue;
+ /* The defining statement needs to be defining one this name. */
+ if (single_ssa_def_operand (t, SSA_OP_DEF) == nullptr)
+ continue;
+
/* Don't remove statements that are needed for non-call
eh to work. */
if (stmt_unremovable_because_of_non_call_eh_p (cfun, t))
