[libunwind] [clang-tools-extra] [libc] [flang] [llvm] [lld] [libcxx] [clang] [compiler-rt] [lldb] [libcxxabi] Fix a bug in Smith's algorithm used in complex div. (PR #78330)

[John McCall via cfe-commits]

rjmccall wrote:

If LLVM wants to provide intrinsics that cover patterns that the frontend wants to emit, that'd be great.  The frontend will still have to make decisions about e.g. whether to request Smith's algorithm, of course.

https://github.com/llvm/llvm-project/pull/78330