[flang] [llvm] [libc] [clang] [lldb] [libcxx] [compiler-rt] [clang] Fix assertion failure with deleted overloaded unary operators (PR #78316)

[Erich Keane via cfe-commits]

https://github.com/erichkeane approved this pull request.

1 suggestion, not necessary, but I think it is beneficial.

https://github.com/llvm/llvm-project/pull/78316