[flang-commits] [clang] [flang] [Clang] Remove ARCMigrate (PR #119269)

[John McCall via flang-commits]

rjmccall wrote:

`test/Rewrite` is for the Objective-C => MSVC-compatible C++ rewriter (`-rewrite-objc`), which is a different feature.  That feature might *also* be obsolete, but we haven't signed off on that yet AFAIK.

https://github.com/llvm/llvm-project/pull/119269