Rollup of 11 pull requests#68470

Closed

tmandry wants to merge 30 commits intorust-lang:masterfrom

tmandry:rollup-5g5s7x1

Commits on Jan 15, 2020

add bare metal ARM Cortex-A targets to rustc
japaric
committed

Commits on Jan 19, 2020

Add -Wl,-znotext to default linker flags to link with lld 9 on FreeBSD 13.0-CURRENT i386
Tobias Kortkamp
committed
Add `-Z no-link` flag
Victor Ding
committed

Commits on Jan 20, 2020

Commits on Jan 21, 2020

Commits on Jan 22, 2020