From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Thu, 24 Feb 2011 13:58:51 +0000 (+0000)
Subject: Don't crash when using receive on erroneous channel.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bf6526a05328b2809a044418b14d69ffb835ef21;p=gcc.git

Don't crash when using receive on erroneous channel.

From-SVN: r170468
---

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 2e31e806478..259faa128ec 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -12264,7 +12264,11 @@ tree
 Receive_expression::do_get_tree(Translate_context* context)
 {
   Channel_type* channel_type = this->channel_->type()->channel_type();
-  gcc_assert(channel_type != NULL);
+  if (channel_type == NULL)
+    {
+      gcc_assert(this->channel_->type()->is_error_type());
+      return error_mark_node;
+    }
   Type* element_type = channel_type->element_type();
   tree element_type_tree = element_type->get_tree(context->gogo());