[gcc] Created branch 'riscv/heads/gcc-15-with-riscv-opts' in namespace 'refs/vendors'

[Jeff Law via Gcc-cvs]

The branch 'riscv/heads/gcc-15-with-riscv-opts' was created in namespace 
'refs/vendors' pointing to:

 e968c7311c62... Alpha: Fix base block alignment calculation regression