llvm-project

728e9254 - [AMDPGU] Auto-upgrade ELF mangling in the data layout (#163644)

[AMDPGU] Auto-upgrade ELF mangling in the data layout (#163644) Summary: The changes in https://github.com/llvm/llvm-project/pull/163011 caused all ELF platforms to default to ELF mangling. We want to auto upgrade this for linking in new programs to old ones.