Fix some warnings found by ToT clang

These fall into two categories:
- unused variables
- (uint8_t *)NULL + X -- changed to reinterpret_cast(X)

llvm-svn: 317270

1 files changed, 0 insertions, 1 deletions

diff --git a/lldb/source/Target/PathMappingList.cpp b/lldb/source/Target/PathMappingList.cpp
index b834a3600d0..782c6e49623 100644
--- a/lldb/source/Target/PathMappingList.cpp
+++ b/lldb/source/Target/PathMappingList.cpp
@@ -85,7 +85,6 @@ void PathMappingList::Insert(const ConstString &path,
 bool PathMappingList::Replace(const ConstString &path,
                               const ConstString &replacement, uint32_t index,
                               bool notify) {
-  iterator insert_iter;
   if (index >= m_pairs.size())
     return false;
   ++m_mod_id;