From 8db2cf6353c13f2a84cbe49b689654897906c499 Mon Sep 17 00:00:00 2001
From: kyukhin <kyukhin@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 3 Sep 2016 10:57:05 +0000
Subject: [PATCH] gcc/ 	* ubsan.c (ubsan_use_new_style_p): Fix check for empty
 string.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@239971 138bc75d-0d04-0410-961f-82ee72b054a4

Upstream-Status: Backport
Signed-off-by: Joshua Lock <joshua.g.lock@intel.com>

---
 gcc/ubsan.c   | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

Index: gcc-6.3.0/gcc/ubsan.c
===================================================================
--- gcc-6.3.0.orig/gcc/ubsan.c
+++ gcc-6.3.0/gcc/ubsan.c
@@ -1471,7 +1471,7 @@ ubsan_use_new_style_p (location_t loc)
 
   expanded_location xloc = expand_location (loc);
   if (xloc.file == NULL || strncmp (xloc.file, "\1", 2) == 0
-      || xloc.file == '\0' || xloc.file[0] == '\xff'
+      || xloc.file[0] == '\0' || xloc.file[0] == '\xff'
       || xloc.file[1] == '\xff')
     return false;