diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index e455647f650..1cdb8a92383 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-df841cce9fd271a25269e3514c2e9b61deaf2c4c
+5fcfe352ad91945a4f4d0dcfb6309df9bd072c7d
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index e1feb66f66a..75fa19b78f9 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -8294,7 +8294,7 @@ Builtin_call_expression::do_numeric_constant_value(Numeric_constant* nc) const
       if (arg_type->is_error())
 	return false;
       if (arg_type->is_abstract())
-	return false;
+	arg_type = arg_type->make_non_abstract_type();
       if (this->seen_)
         return false;