From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Tue, 5 May 2015 16:38:45 +0000 (+0000)
Subject: re PR go/66016 (Accessing nil Func's name results in crash)
X-Git-Tag: releases/gcc-4.9.3~165
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa180d19869fb1b791281ebdb20f9c2b4be99717;p=thirdparty%2Fgcc.git

re PR go/66016 (Accessing nil Func's name results in crash)

	PR go/66016
runtime: Don't crash in Func.Name if the Func is nil.

Related to Go issue 10696

From-SVN: r222815
---

diff --git a/libgo/runtime/go-caller.c b/libgo/runtime/go-caller.c
index a3e04240d9ce..f0ee4ebf02d9 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;
 }