Auto merge of #3955 - RReverser:update-override-docs, r=alexcrichton
authorbors <bors@rust-lang.org>
Wed, 26 Apr 2017 07:25:16 +0000 (07:25 +0000)
committerbors <bors@rust-lang.org>
Wed, 26 Apr 2017 07:25:16 +0000 (07:25 +0000)
commit80e653b51183b0c90f3473805ccd341de1a2bbe2
treedeb150981a546b8dbea5bef83aeee9c069cfd192
parent0f27ca344d3b9019a87239c9f25fd290add84937
parent841fd82114ff041e41b0315474602c340df9961c
Auto merge of #3955 - RReverser:update-override-docs, r=alexcrichton

Update documentation on overrides

 - `target.linker` does not seem to be supported anymore, only `target.$triple.linker` works, so merged these sections.
 - Added note about supported `target.$triple.ar`