diff --git a/lldb/source/DataFormatters/FormatCache.cpp b/lldb/source/DataFormatters/FormatCache.cpp
index 755ee962adde..f7e5c72f7781 100644
--- a/lldb/source/DataFormatters/FormatCache.cpp
+++ b/lldb/source/DataFormatters/FormatCache.cpp
@@ -68,6 +68,8 @@ FormatCache::Entry &FormatCache::GetEntry(ConstString type) {
   return m_map[type];
 }
 
+namespace lldb_private {
+
 template<> bool FormatCache::Entry::IsCached<lldb::TypeFormatImplSP>() {
   return IsFormatCached();
 }
@@ -78,6 +80,8 @@ template<> bool FormatCache::Entry::IsCached<lldb::SyntheticChildrenSP>() {
   return IsSyntheticCached();
 }
 
+} // namespace lldb_private
+
 template <typename ImplSP>
 bool FormatCache::Get(ConstString type, ImplSP &format_impl_sp) {
   std::lock_guard<std::recursive_mutex> guard(m_mutex);
diff --git a/lldb/source/DataFormatters/LanguageCategory.cpp b/lldb/source/DataFormatters/LanguageCategory.cpp
index 89c0312a09dd..4794186ce9ae 100644
--- a/lldb/source/DataFormatters/LanguageCategory.cpp
+++ b/lldb/source/DataFormatters/LanguageCategory.cpp
@@ -54,6 +54,8 @@ bool LanguageCategory::Get(FormattersMatchData &match_data,
   return result;
 }
 
+namespace lldb_private {
+
 /// Explicit instantiations for the three types.
 /// \{
 template bool
@@ -82,6 +84,8 @@ auto &LanguageCategory::GetHardcodedFinder<lldb::SyntheticChildrenSP>() {
   return m_hardcoded_synthetics;
 }
 
+} // namespace lldb_private
+
 template <typename ImplSP>
 bool LanguageCategory::GetHardcoded(FormatManager &fmt_mgr,
                                     FormattersMatchData &match_data,
diff --git a/lldb/source/Interpreter/CommandAlias.cpp b/lldb/source/Interpreter/CommandAlias.cpp
index 5192cabbdf23..35bf5c4de02c 100644
--- a/lldb/source/Interpreter/CommandAlias.cpp
+++ b/lldb/source/Interpreter/CommandAlias.cpp
@@ -65,7 +65,8 @@ static bool ProcessAliasOptionsArgs(lldb::CommandObjectSP &cmd_obj_sp,
     else {
       for (auto &entry : args.entries()) {
         if (!entry.ref().empty())
-          option_arg_vector->emplace_back("<argument>", -1, entry.ref());
+          option_arg_vector->emplace_back(std::string("<argument>"), -1,
+                                          std::string(entry.ref()));
       }
     }
   }
diff --git a/lldb/source/Interpreter/Options.cpp b/lldb/source/Interpreter/Options.cpp
index 56d63e4e7c26..f0d24cd27030 100644
--- a/lldb/source/Interpreter/Options.cpp
+++ b/lldb/source/Interpreter/Options.cpp
@@ -1061,8 +1061,8 @@ llvm::Expected<Args> Options::ParseAlias(const Args &args,
     }
     if (!option_arg)
       option_arg = "<no-argument>";
-    option_arg_vector->emplace_back(option_str.GetString(), has_arg,
-                                    option_arg);
+    option_arg_vector->emplace_back(std::string(option_str.GetString()),
+                                    has_arg, std::string(option_arg));
 
     // Find option in the argument list; also see if it was supposed to take an
     // argument and if one was supplied.  Remove option (and argument, if