patch 9.0.0502: a closure in a nested loop in a :def function does not work Commit: https://github.com/vim/vim/commit/cc34181f9994d64f8c8fa2f5845eaf0cc963067f Author: Bram Moolenaar <Bram@vim.org> Date: Mon Sep 19 15:54:34 2022 +0100 patch 9.0.0502: a closure in a nested loop in a :def function does not work Problem: A closure in a nested loop in a :def function does not work. Solution: Use an array of loopvars, one per loop level.

# Clang 12 (or Apple clang 13) and later makes a warning '-Wcompound-token-split-by-macro' enable by default.
/^PERL_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/
/^RUBY_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/