Auto merge of #45033 - eddyb:capture-me-not, r=nikomatsakis
Auto merge of #45033 - eddyb:capture-me-not, r=nikomatsakis

rustc_trans: do not set NoCapture for anonymous lifetime &T arguments.

This was both unsound (due to lifetime elision & unsafe code) and dead code (we erase lifetimes).

r? @nikomatsakis

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