From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Thu, 24 Feb 2011 02:51:00 +0000 (+0000)
Subject: Don't crash on bad receiver when building recover thunks.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=63cc9deb7cad1672212fc84df0ca48900af236e6;p=gcc.git

Don't crash on bad receiver when building recover thunks.

From-SVN: r170452
---

diff --git a/gcc/go/gofrontend/gogo.cc b/gcc/go/gofrontend/gogo.cc
index f1404cc260e..a63abfefde3 100644
--- a/gcc/go/gofrontend/gogo.cc
+++ b/gcc/go/gofrontend/gogo.cc
@@ -2205,10 +2205,14 @@ Build_recover_thunks::function(Named_object* orig_no)
 
       const std::string& new_receiver_name(orig_fntype->receiver()->name());
       Named_object* new_rec_no = new_bindings->lookup_local(new_receiver_name);
-      gcc_assert(new_rec_no != NULL
-		 && new_rec_no->is_variable()
-		 && new_rec_no->var_value()->is_receiver());
-      new_rec_no->var_value()->set_is_not_receiver();
+      if (new_rec_no == NULL)
+	gcc_assert(saw_errors());
+      else
+	{
+	  gcc_assert(new_rec_no->is_variable()
+		     && new_rec_no->var_value()->is_receiver());
+	  new_rec_no->var_value()->set_is_not_receiver();
+	}
     }
 
   // Because we flipped blocks but not types, the can_recover