From: ro <ro@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 13 May 2016 09:08:15 +0000 (+0000)
Subject: Fix SEGV in ix86_in_large_data_p (PR target/71080)
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6c9412663fcdccea4dfdae00718cebfa17fb4d7d;p=thirdparty%2Fgcc.git

Fix SEGV in ix86_in_large_data_p (PR target/71080)

	PR target/71080
	* config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@236196 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d21e5da77157..93fa74308c9a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR target/71080
+	* config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
+
 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* builtins.c (expand_builtin_memcmp): Do not emit the call here.
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 44580149f396..501e26f22fef 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -6823,6 +6823,9 @@ ix86_in_large_data_p (tree exp)
   if (ix86_cmodel != CM_MEDIUM && ix86_cmodel != CM_MEDIUM_PIC)
     return false;
 
+  if (exp == NULL_TREE)
+    return false;
+
   /* Functions are never large data.  */
   if (TREE_CODE (exp) == FUNCTION_DECL)
     return false;