Reduce allocation of temporary values on heap.

- Use `std::move` while inserting temporary results into vectors.
- Change `push_back` to `emplace_back` where appropriate.

1 files changed, 1 insertions, 2 deletions

diff --git a/Source/cmListFileCache.cxx b/Source/cmListFileCache.cxx
index cbcf200..64e634f 100644
--- a/Source/cmListFileCache.cxx
+++ b/Source/cmListFileCache.cxx
@@ -252,8 +252,7 @@ bool cmListFileParser::ParseFunction(const char* name, long line)
 bool cmListFileParser::AddArgument(cmListFileLexer_Token* token,
                                    cmListFileArgument::Delimiter delim)
 {
-  cmListFileArgument a(token->text, delim, token->line);
-  this->Function.Arguments.push_back(a);
+  this->Function.Arguments.emplace_back(token->text, delim, token->line);
   if (this->Separation == SeparationOkay) {
     return true;
   }