fix FormalRegExp Simplify

alib2algo/src/regexp/simplify/RegExpOptimizeFormalPart.hpp

@@ -216,7 +216,7 @@ bool RegExpOptimize::A4( FormalRegExpElement < SymbolType > * & node ) {
 template < class SymbolType >
 bool RegExpOptimize::A5( FormalRegExpElement < SymbolType > * & node ) {
 	FormalRegExpConcatenation < SymbolType > * n = dynamic_cast<FormalRegExpConcatenation < SymbolType > *>( node );
-	if( ! node ) return false;
+	if( ! n ) return false;
 	if( dynamic_cast < FormalRegExpConcatenation < SymbolType > * > ( & n->getLeft ( ) ) ) {
 		FormalRegExpConcatenation < SymbolType > leftCon ( std::move ( static_cast < FormalRegExpConcatenation < SymbolType > & > ( n->getLeft ( ) ) ) );
@@ -246,13 +246,13 @@ bool RegExpOptimize::A6( FormalRegExpElement < SymbolType > * & node ) {
 	if ( dynamic_cast < FormalRegExpEpsilon < SymbolType > * > ( & n->getRight ( ) ) ) {
 		node = std::move ( n->getLeft ( ) ).clone ( );
-		delete node;
+		delete n;
 		return true;
 	}
 	if ( dynamic_cast < FormalRegExpEpsilon < SymbolType > * > ( & n->getLeft ( ) ) ) {
 		node = std::move ( n->getRight ( ) ).clone ( );
-		delete node;
+		delete n;
 		return true;
 	}