Rollup of 12 pull requests - #74073

Merged

bors merged 34 commits into

rust-lang:masterfrom

Manishearth:rollup-faqo9lx

Jul 6, 2020

Commits on May 27, 2020

added .collect() into String from Box<str> with fake feature/stability annotation
djugei
committed
b4337ab

Commits on Jun 27, 2020

Add unstable docs for rustc_attrs
pickfire
committed
f772587
Update src/doc/unstable-book/src/language-features/rustc-attrs.md

pickfire
and
RalfJung
authored
725918f

Commits on Jun 28, 2020

Add preamable on rustc-attrs doc discussion
pickfire
committed
0e6f109

Commits on Jun 29, 2020

Ignore example compile in rustc-attrs doc
pickfire
committed
49b4804
Add test for issue #56175
da-x
committed
aab37fe
Fix try_print_visible_def_path for Rust 2018
da-x
committed
5427d3b

Commits on Jul 1, 2020

Review fix
da-x
committed
f77b6fe

Commits on Jul 2, 2020

Use `Span`s to identify unreachable subpatterns in or-patterns
Nadrieril
committed
4030b73

Commits on Jul 4, 2020

add `lazy_normalization_consts` feature gate
lcnr
committed
7a3081b
Remove unnecessary release from Arc::try_unwrap
tmiasko
committed
8900502
ConstCx to LocalDefId
lcnr
committed
20d6941
instantiate_opaque_types LocalDefId
lcnr
committed
dbcabc2
nit

lcnr
and
varkor
authored
f5305c3
Make `rustc_peek` a safe intrinsic
oli-obk
committed
66fb778
Match on `Symbol` instead of `&str` for type-checking intrinsics.
oli-obk
committed
394b8cd
Explain exhaustive matching on {usize,isize} maximum values
JohnTitor
committed
dcbe85a
Address code reviews
JohnTitor
committed
b93ecc1
Fix #71977
Nadrieril
committed
3cb31b6

Commits on Jul 5, 2020