ParseWhileStatement 1656 src/parser.cc        stmt = ParseWhileStatement(labels, ok);
ParseWhileStatement  615 src/parser.h     WhileStatement* ParseWhileStatement(ZoneStringList* labels, bool* ok);
ParseWhileStatement  245 src/preparser.cc       return ParseWhileStatement(ok);
ParseWhileStatement  552 src/preparser.h   Statement ParseWhileStatement(bool* ok);