[lldb][NFC] Use move instead of copy

Summary: For functions that accept an rvalue reference type
parameter, use move to avoid copying the parameter.

These were found when implementing CppCoreGuideline F.18 in
clang-tidy.

Committed on behalf of ccotter (Chris Cotter)

Reviewers: Michael137

Differential Revision: https://reviews.llvm.org/D142824

Author: ccotter

lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp

@@ -559,7 +559,7 @@ Status GDBRemoteCommunicationServerPlatform::LaunchProcess() {
 }
 
 void GDBRemoteCommunicationServerPlatform::SetPortMap(PortMap &&port_map) {
-  m_port_map = port_map;
+  m_port_map = std::move(port_map);
 }
 
 const FileSpec &GDBRemoteCommunicationServerPlatform::GetDomainSocketDir() {

lldb/source/Plugins/TraceExporter/common/TraceHTR.cpp

@@ -69,7 +69,7 @@ size_t IHTRLayer::GetLayerId() const { return m_layer_id; }
 
 void HTRBlockLayer::AppendNewBlock(size_t block_id, HTRBlock &&block) {
   m_block_id_trace.emplace_back(block_id);
-  m_block_defs.emplace(block_id, block);
+  m_block_defs.emplace(block_id, std::move(block));
 }
 
 void HTRBlockLayer::AppendRepeatedBlock(size_t block_id) {

lldb/source/Target/Process.cpp

@@ -3352,7 +3352,7 @@ Status Process::Signal(int signal) {
 
 void Process::SetUnixSignals(UnixSignalsSP &&signals_sp) {
   assert(signals_sp && "null signals_sp");
-  m_unix_signals_sp = signals_sp;
+  m_unix_signals_sp = std::move(signals_sp);
 }
 
 const lldb::UnixSignalsSP &Process::GetUnixSignals() {