Fix duplicate shared module list entries

Differential Revision: http://reviews.llvm.org/D10499

llvm-svn: 240007

lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.cpp

@@ -316,6 +316,9 @@ DYLDRendezvous::TakeSnapshot(SOEntryList &entry_list)
     if (m_current.map_addr == 0)
         return false;
 
+    // Clear previous entries since we are about to obtain an up to date list.
+    entry_list.clear();
+
     for (addr_t cursor = m_current.map_addr; cursor != 0; cursor = entry.next)
     {
         if (!ReadSOEntryFromMemory(cursor, entry))