From b09f90343f4ef9b3441f677cb13f709bce1aae3f Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@google.com>
Date: Tue, 5 May 2015 16:38:45 +0000
Subject: 	PR go/66016 runtime: Don't crash in Func.Name if the Func is
 nil.

Related to Go issue 10696


git-svn-id: https://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@222815 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libgo/runtime/go-caller.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libgo/runtime/go-caller.c b/libgo/runtime/go-caller.c
index a3e04240d9c..f0ee4ebf02d 100644
--- a/libgo/runtime/go-caller.c
+++ b/libgo/runtime/go-caller.c
@@ -255,6 +255,8 @@ String runtime_funcname_go (Func *f)
 String
 runtime_funcname_go (Func *f)
 {
+  if (f == NULL)
+    return runtime_gostringnocopy ((const byte *) "");
   return f->name;
 }
 
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