Michael Karcher [Sun, 23 Dec 2018 19:33:52 +0000 (20:33 +0100)]
librustc_codegen_llvm: Don't eliminate empty structs in C ABI on linux-sparc64
This is in accordance with the SPARC Compliance Definition 2.4.1,
Page 3P-12. It says that structs of up to 8 bytes (which applies
to empty structs as well) are to be passed in one register.
Gbp-Pq: Name u-0001-librustc_codegen_llvm-Don-t-eliminate-empty-structs-.patch