https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121391
--- Comment #2 from Stefan Schulze Frielinghaus <stefansf at gcc dot gnu.org>
---
We need to stop error checking in case of an error node operand. So something
along the lines
diff --git a/gcc/stmt.cc b/gcc/stmt.cc
index 7942aa3e484..6c4b35c52c3 100644
--- a/gcc/stmt.cc
+++ b/gcc/stmt.cc
@@ -388,7 +388,7 @@ parse_output_constraint (const char **constraint_p, int
operand_num,
error ("hard register constraints are only supported while
using LRA");
return false;
}
- if (reg_info)
+ if (reg_info && reg_info->operand != error_mark_node)
{
int regno = decode_hard_reg_constraint (p);
if (regno < 0)
@@ -609,7 +609,7 @@ parse_input_constraint (const char **constraint_p, int
input_num,
error ("hard register constraints are only supported while using
LRA");
return false;
}
- if (reg_info)
+ if (reg_info && reg_info->operand != error_mark_node)
{
int regno = decode_hard_reg_constraint (constraint + j);
if (regno < 0)
should do it. Let me rethink this again and I will post a patch.
