The following avoids passing down error_mark_node to fold_convert.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
PR middle-end/107994
* gimplify.cc (gimplify_expr): Catch errorneous comparison
operand.
---
gcc/gimplify.cc | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/gcc/gimplify.cc b/gcc/gimplify.cc
index 250782b1140..c9c800a5850 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,
Compare scalar mode aggregates as scalar mode values. Using
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)))
+ ret = GS_ERROR;
+ else
{
tree type = TREE_TYPE (TREE_OPERAND (*expr_p, 1));
@@ -17122,9 +17125,8 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p,
gimple_seq *post_p,
ret = gimplify_scalar_mode_aggregate_compare (expr_p);
else
ret = gimplify_variable_sized_compare (expr_p);
-
- break;
}
+ break;
/* If *EXPR_P does not need to be special-cased, handle it
according to its class. */
--
2.35.3
