Rollup of 12 pull requests - #85705

Closed

JohnTitor wants to merge 25 commits into

rust-lang:masterfrom

JohnTitor:rollup-pewgcfn

Commits on May 18, 2021

Support pretty printing slices using GDB
EFanZh
committed
1aa6307

Commits on May 20, 2021

doc: clarify Mutex::try_lock, etc. errors
tlyu
committed
e587366

Commits on May 22, 2021

Fix boostrap using host exe suffix for cargo
jam1garner
committed
903e369

Commits on May 23, 2021

Don't reborrow self when computing the dest pointer in <[T]>::copy_within
SkiFire13
committed
d7341f3

Commits on May 24, 2021

Commits on May 25, 2021

Commits on May 26, 2021