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

[John McCall via cfe-commits]

https://github.com/rjmccall commented:

It's bad that we don't have a IR test that breaks when you change the IR output like this.  Please add one.

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