diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 96636c1b2331750ae71a89140d024a25c9e16d12..940d418bcaf8427ae4046df96051933d8b9f0f34 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -9225,10 +9225,9 @@ void
 Array_index_expression::do_determine_type(const Type_context*)
 {
   this->array_->determine_type_no_context();
-  Type_context subcontext(NULL, true);
-  this->start_->determine_type(&subcontext);
+  this->start_->determine_type_no_context();
   if (this->end_ != NULL)
-    this->end_->determine_type(&subcontext);
+    this->end_->determine_type_no_context();
 }
 
 // Check types of an array index.