1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c
index 751d0f6..9f5e27e 100644
--- a/gcc/cp/decl2.c
+++ b/gcc/cp/decl2.c
@@ -3986,6 +3986,8 @@ arg_assoc_type (struct arg_lookup *k, tree type)
 {
   switch (TREE_CODE (type))
     {
+    case ERROR_MARK:
+      return false;
     case VOID_TYPE:
     case INTEGER_TYPE:
     case REAL_TYPE: