GCC-15

GCC 15, the GNU Compiler Collection, serves as the critical compiler toolchain for most Linux distributions. This version marks a major milestone by officially changing the default C language standard from GNU17 to GNU23. It also dramatically expands its language support by introducing a new front-end for the COBOL programming language. As a core component of open-source development, it translates source code into optimized machine code while providing powerful new features like incremental Link-Time Optimization (LTO) to speed up builds.