5bbf0a8306
This reverts commit 557359f92512ca88b62a602ebda291f17a953002, reversing changes made to 1e6c09a803fd543a98bfbe1624d697a55300a786.
rustc_target contains some very low-level details that are
specific to different compilation targets and so forth.
For more information about how rustc works, see the rustc dev guide.