From f3fbd1c0586ff6ec7895991e6c28f61a503c36a8 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 23 Jul 2016 20:50:09 +0000
Subject: Vendor import of lldb release_39 branch r276489:
 https://llvm.org/svn/llvm-project/lldb/branches/release_39@276489

---
 include/lldb/Core/MappedHash.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'include/lldb/Core/MappedHash.h')

diff --git a/include/lldb/Core/MappedHash.h b/include/lldb/Core/MappedHash.h
index 5a52ab2b8b2d5..b7cf3b02e01e8 100644
--- a/include/lldb/Core/MappedHash.h
+++ b/include/lldb/Core/MappedHash.h
@@ -47,6 +47,9 @@ public:
     static uint32_t
     HashString (uint32_t hash_function, const char *s)
     {
+        if (!s)
+            return 0;
+        
         switch (hash_function)
         {
             case MappedHash::eHashFunctionDJB:
@@ -434,6 +437,9 @@ public:
         bool
         Find (const char *name, Pair &pair) const
         {
+            if (!name || !name[0])
+                return false;
+
             if (IsValid ())
             {
                 const uint32_t bucket_count = m_header.bucket_count;
-- 
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