[Bug c/98198] [11 Regression] internal compiler error: tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in decl_or_type_attrs

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98198

--- Comment #4 from Christophe Lyon <clyon at gcc dot gnu.org> ---
This simple patch avoids the ICE:

diff --git a/gcc/c-family/c-attribs.c b/gcc/c-family/c-attribs.c
index 1d2ab7c..8847932 100644
--- a/gcc/c-family/c-attribs.c
+++ b/gcc/c-family/c-attribs.c
@@ -767,6 +767,10 @@ decl_or_type_attrs (tree node)
        return attrs;

       tree type = TREE_TYPE (node);
+
+      if (type == error_mark_node)
+       return NULL_TREE;
+
       return TYPE_ATTRIBUTES (type);
     }