C++ GCC4.4 warning: array subscript is above array bounds

I recently upgraded to GCC 4.4 (MinGW TDM build) and now the follow code produces these warning: In member function 'void Console::print(const std::string&)': warning: array subscript is above array bounds Here's the code: ``` void Console::print( const std::string& str ) { std::string newLine( str ); if( newLine.size() > MAX_LINE_LENGTH ) { sf::Uint32 stringSize = newLine.size(); for( sf::Uint32 insertPos = MAX_LINE_LENGTH; insertPos < stringSize; insertPos += MAX_LINE_LENGTH ) { newLine.insert( insertPos, "\n" ); } } StringList tokens; boost::split( tokens, newLine, boost::is_any_of("\n") ); for( StringList::iterator it = tokens.begin(); it != tokens.end(); ++it ) { addLine( *it ); } } ``` Any ideas? It is the optimizations that are doing it... Also it appears to be this line which is causing it: ``` boost::split( tokens, newLine, boost::is_any_of("\n") ); ``` Ah yes, I found it, it is the argument for boost::is_any_of(), by wrapping it in a string() constructor the warning goes away, thank you all for your help :) ``` boost::split( tokens, newLine, boost::is_any_of( string( "\n" ) ) ); ```