From 761bd3334833d7b5d53fb6b233bd767237f1c1b6 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Sun, 14 Dec 2014 00:55:01 +0000
Subject: [PATCH] re PR go/61244 (gccgo: ICE in write_specific_type_functions
 [GoSmith])

	PR go/61244
compiler: Traverse type descriptor expressions.

From-SVN: r218715
---
 gcc/go/gofrontend/expressions.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 4d07c223b34..21f6cd6c3d8 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -13657,6 +13657,9 @@ class Type_descriptor_expression : public Expression
   { }
 
  protected:
+  int
+  do_traverse(Traverse*);
+
   Type*
   do_type()
   { return Type::make_type_descriptor_ptr_type(); }
@@ -13688,6 +13691,14 @@ class Type_descriptor_expression : public Expression
   Type* type_;
 };
 
+int
+Type_descriptor_expression::do_traverse(Traverse* traverse)
+{
+  if (Type::traverse(this->type_, traverse) == TRAVERSE_EXIT)
+    return TRAVERSE_EXIT;
+  return TRAVERSE_CONTINUE;
+}
+
 // Dump ast representation for a type descriptor expression.
 
 void
-- 
2.30.2