From 9ebd2806f6e3c71a62d6df28b978d6fec53b50fb Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Thu, 31 Mar 2011 16:47:17 +0000
Subject: [PATCH] Taking a slice of an array requires moving the array to the
 heap.

From-SVN: r171792
---
 gcc/go/gofrontend/expressions.cc | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 791ab073a44..e295c7d6b29 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -9283,10 +9283,13 @@ Array_index_expression::do_check_types(Gogo*)
 
   // A slice of an array requires an addressable array.  A slice of a
   // slice is always possible.
-  if (this->end_ != NULL
-      && !array_type->is_open_array_type()
-      && !this->array_->is_addressable())
-    this->report_error(_("array is not addressable"));
+  if (this->end_ != NULL && !array_type->is_open_array_type())
+    {
+      if (!this->array_->is_addressable())
+	this->report_error(_("array is not addressable"));
+      else
+	this->array_->address_taken(true);
+    }
 }
 
 // Return whether this expression is addressable.