[llvm] r181201 - [SystemZ] Define DWARF encoding

[Rafael Espíndola]

> +    FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;

Is this true for both pic and non-pic? Also, please confirm that
FDECFIEncoding is set correctly.

Thanks,
Rafael