Rollup of 5 pull requests - #71445

Merged

bors merged 19 commits into

rust-lang:masterfrom

Dylan-DPC-zz:rollup-31givp1

Apr 23, 2020

Commits on Apr 17, 2020

Lint must_use on mem::replace
cuviper
committed
7c4ca59
Fix unused results from mem::replace
cuviper
committed
ccecae5

Commits on Apr 20, 2020

allow(unused_must_use) in issue-23611-enum-swap-in-drop.rs
cuviper
committed
7fca9f8

Commits on Apr 21, 2020

allow wasm32 compilation of librustc_data_structures/profiling.rs
ctaggart
committed
df3776b
./x.py fmt
ctaggart
committed
6fb524a
use cfg_if! and use FileSerializationSink for wasi
ctaggart
committed
f72de47
proc_macro::is_available()
dtolnay
committed
7435547
accept cfg_if suggestion

ctaggart
and
bjorn3
authored
d5963ed

Commits on Apr 22, 2020