Auto merge of #23682 - tamird:DRY-is-empty, r=alexcrichton

r? @alexcrichton

diff --cc src/librustc/metadata/loader.rs
Simple merge

diff --cc src/libstd/io/mod.rs
Simple merge

diff --cc src/libstd/sys/windows/process2.rs
Simple merge

diff --cc src/libsyntax/parse/parser.rs
Simple merge