https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107994
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This should fix the issue (have not tested it yet):
diff --git a/gcc/gimplify.cc b/gcc/gimplify.cc
index 02415cb1b5c..ae13f9fd9e6 100644
--- a/gcc/gimplify.cc
+++ b/gcc/gimplify.cc
@@ -17098,6 +17098,9 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p,
gimple_seq *post_p,
memcmp for them would be very inefficient at best, and is
plain wrong if bitfields are involved. */
{
+ if (error_operand_p (TREE_OPERAND (*expr_p, 1))
+ return GS_ERROR;
+
tree type = TREE_TYPE (TREE_OPERAND (*expr_p, 1));
/* Vector comparisons need no boolification. */
