Index: tools/lldb-mi/MICmdCmdBreak.cpp
===================================================================
--- tools/lldb-mi/MICmdCmdBreak.cpp
+++ tools/lldb-mi/MICmdCmdBreak.cpp
@@ -172,11 +172,19 @@
     CMIUtilString strFileFn;
     CMIUtilString rStrLineOrFn;
     // Full path in windows can have : after drive letter. So look for the
-    // last colon
-    const size_t nPosColon = m_brkName.find_last_of(cColon);
-    if (nPosColon != std::string::npos)
+    // last colon, and make sure it isn't the C++ namespace token '::'
+    // as in 'ns::func'.  If we have 'file:::func', we'll want to parse it
+    // as 'file' + ':' + '::func'. 
+    size_t nPosColon = m_brkName.find_last_of(cColon);
+    if (nPosColon != std::string::npos &&
+        ((nPosColon > 1 && m_brkName[nPosColon - 1] != ':') ||
+         (nPosColon > 2 && m_brkName[nPosColon - 2] == ':')))
     {
-        // extract file name and line number from it
+        // Backup 2 if we had 'file:::func'
+        if (nPosColon > 2 &&
+            m_brkName[nPosColon - 1] == ':' && m_brkName[nPosColon - 2] == ':')
+            nPosColon -= 2;
+        // Extract file name and line number/function from it
         fileName = m_brkName.substr(0, nPosColon);
         rStrLineOrFn = m_brkName.substr(nPosColon + 1, m_brkName.size() - nPosColon - 1);