From 69156b4c20249e7800cc09e0eef0beb3d15ac1ad Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 6 Sep 2015 18:34:38 +0000
Subject: Import llvm 3.7.0 release (r246257).

---
 lib/IR/Type.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib/IR')

diff --git a/lib/IR/Type.cpp b/lib/IR/Type.cpp
index b5c4e5d4c6d5..a9ca80034ca7 100644
--- a/lib/IR/Type.cpp
+++ b/lib/IR/Type.cpp
@@ -613,6 +613,9 @@ bool StructType::isLayoutIdentical(StructType *Other) const {
   if (isPacked() != Other->isPacked() ||
       getNumElements() != Other->getNumElements())
     return false;
+
+  if (!getNumElements())
+    return true;
   
   return std::equal(element_begin(), element_end(), Other->element_begin());
 }
-- 
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