GCC 16 Release Series

Changes, New Features, and Fixes

This page is a "brief" summary of some of the huge number of improvements in GCC 16. You may also want to check out our Porting to GCC 16 page and the full GCC documentation .

Caveats

int8_t etc. are now signed char on Solaris for conformance with the C99 standard. However, this is an incompatible change. See the porting notes for more information.

The -pthread option no longer predefines _REENTRANT on Solaris. See the porting notes for more information.

The so-called " json " format for -fdiagnostics-format= has been removed in this release.…