From 45695534323a1e79a49eca5f8cc7423ec798244b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 18 Jan 2008 18:54:31 +0000
Subject: [PATCH] don't form an std::string with a null pointer, it aborts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46166 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/ADT/StringExtras.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/llvm/ADT/StringExtras.h b/include/llvm/ADT/StringExtras.h
index 20ba92a4aeb..2a01c5f2d34 100644
--- a/include/llvm/ADT/StringExtras.h
+++ b/include/llvm/ADT/StringExtras.h
@@ -98,7 +98,7 @@ static inline std::string ftostr(const APFloat& V) {
     return ftostr(V.convertToDouble());
   else if (&V.getSemantics() == &APFloat::IEEEsingle)
     return ftostr((double)V.convertToFloat());
-  return 0; // error
+  return "<unknown format in ftostr>"; // error
 }
 
 static inline std::string LowercaseString(const std::string &S) {