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GCC 15.1 Compiler Release Candidate For Testing, GCC 15.1.0 Potentially Next Week


Following the GCC 15 code branching after working its way down to zero 'P1' regressions of the highest priority, GCC 15.1 Release Candidate 1 is out today for testing.

Jakub Jelinek of Red Hat announced the first release candidate of GCC 15.1 for testing. GCC 15 brings a COBOL language front-end, various usability enhancements, many Rust language improvements, moves its default C language version to C23, AMD Zen 5 "znver5" target improvements among other new AMD Zen target optimizations, Intel Xeon 7 Diamond Rapids targeting, Intel AVX10.2 support, more Intel APX enablement, removal of Xeon Phi support, and many other changes from hardware support to language features. More GCC 15 compiler benchmarking up against LLVM Clang 20 coming soon on Phoronix.

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