Rollup of 11 pull requests#84684

Merged

bors merged 26 commits intorust-lang:masterfrom

jackh726:rollup-qxc5cos

Apr 29, 2021

Commits on Apr 23, 2021

Don't rebuild rustdoc after checking bootstrap
jyn514
committed

Commits on Apr 24, 2021

Commits on Apr 25, 2021

Build sanitizers for x86_64-unknown-linux-musl
12101111
committed
Set `backtrace-on-ice` by default for compiler and codegen profiles
jyn514
committed
Add starting anchor

syvb
and
Joshua Nelson
authored

Commits on Apr 27, 2021

Switch `rustc::internal` from deny to warn
jyn514
committed

Commits on Apr 28, 2021

Commits on Apr 29, 2021