[clang] [clang] Return larger CXX records in memory (PR #120670)

[Benjamin Luke via cfe-commits]

freaknbigpanda wrote:

> I made an attempt in https://github.com/llvm/llvm-project/pull/121944 a while back to address the issue you described but we couldn't reach consensus.

Thanks I am going to talk with @phoebewang and see if we can reland this because I really think we should be doing what the psABI says which is return illegal vectors in memory. This way we can maintain compatibility with gcc or other compilers that target the SysV ABI.

https://github.com/llvm/llvm-project/pull/120670