From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Wed, 19 Jan 2011 20:47:21 +0000 (+0000)
Subject: Don't crash on reference to field with erroneous type.
X-Git-Tag: upstream/12.2.0~86969
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e76efdbd96800827f020ac6423c64abb51d298eb;p=platform%2Fupstream%2Fgcc.git

Don't crash on reference to field with erroneous type.

From-SVN: r169027
---

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 2171564..6fa1b99 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -9988,6 +9988,8 @@ Field_reference_expression::do_get_tree(Translate_context* context)
       field = DECL_CHAIN(field);
       gcc_assert(field != NULL_TREE);
     }
+  if (TREE_TYPE(field) == error_mark_node)
+    return error_mark_node;
   return build3(COMPONENT_REF, TREE_TYPE(field), struct_tree, field,
 		NULL_TREE);
 }