Auto merge of #29142 - liigo:patch-6, r=alexcrichton
Auto merge of #29142 - liigo:patch-6, r=alexcrichton

https://github.com/rust-lang/rust/blob/master/src/libcore/iter.rs#L1541

r? @alexcrichton 

GBGamer/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,GBGamer/rust,graydon/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,GBGamer/rust,GBGamer/rust,GBGamer/rust,aidancully/rust