patch 8.2.2789: Vim9: using =expr in :substitute does not handle jumps Commit: https://github.com/vim/vim/commit/8238f08838c0b481d0b14a741bc03f2e45c211d3 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Apr 20 21:10:48 2021 +0200 patch 8.2.2789: Vim9: using \=expr in :substitute does not handle jumps Problem: Vim9: using \=expr in :substitute does not handle jumps. Solution: Start with instruction count zero. (closes https://github.com/vim/vim/issues/8128)

/^CFLAGS[[:blank:]]*=/s/$/ -Wno-error=missing-field-initializers/
/^RUBY_CFLAGS[[:blank:]]*=/s/$/ -Wno-error=unknown-attributes -Wno-error=ignored-attributes/