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Author SHA1 Message Date
Masaki Hara
4fd895a6b8 Add autoderef tests for by-value trait objects. 2018-10-24 23:18:15 +09:00
Masaki Hara
b3dce87a86 Move compile-fail/unsized-locals under ui as per #44844. 2018-10-24 22:55:40 +09:00
Masaki Hara
e568e98063 Move codegen_llvm::common::ty_fn_sig into rustc::ty::Instance. 2018-10-24 21:59:07 +09:00
Masaki Hara
06b6b1c790 Make declare_fn accept PolyFnSig instead of Ty. 2018-10-24 21:59:07 +09:00
Masaki Hara
2075316064 Include InstanceDef's discriminant in the symbol hash. 2018-10-24 21:59:07 +09:00
Masaki Hara
609cc26d31 Ensure virtual call receiver PassMode. 2018-10-24 21:59:07 +09:00
Masaki Hara
7c965e3e65 Prefer Move over Copy when dereferencing rvalue objects. 2018-10-24 21:59:07 +09:00
Masaki Hara
7ccf661524 Reflect by-value object safety in the unstable book. 2018-10-24 21:59:07 +09:00
Masaki Hara
4ce35fdd34 Add tests for unsized-locals. 2018-10-24 21:59:07 +09:00
Masaki Hara
5eceab02ec Implement by-value trait object method call. 2018-10-24 21:59:07 +09:00
Masaki Hara
f2ef005d1d Resolve to Instance::VtableShim when necessary. 2018-10-24 21:59:07 +09:00
Masaki Hara
250979c0ae Implement vtable shim generation. 2018-10-24 21:59:07 +09:00
Masaki Hara
1fb085511e Make declare_fn aware of vtable shims. 2018-10-24 21:59:06 +09:00
Masaki Hara
fe3f606cda Add ty_fn_sig_vtable for getting adjusted signature for vtable shims. 2018-10-24 21:59:06 +09:00
Masaki Hara
824315a722 Distinguish vtable shims in symbol paths. 2018-10-24 21:59:06 +09:00
Masaki Hara
6fd914a1af Add vtable-shim helper methods for Instance. 2018-10-24 21:59:06 +09:00
Masaki Hara
0ad4c6f850 Add InstanceDef::VtableShim. 2018-10-24 21:59:06 +09:00
Felix S. Klock II
be2075c661 This is a regression test for #54478. 
I confirmed that it fails on:
rustdoc 1.30.0-beta.12 (96a229824 2018-10-04)
and passes on:
rustdoc 1.31.0-nightly (f99911a4a 2018-10-23)
 2018-10-24 12:19:47 +02:00
Esteban Küber
8227a938a4 Point at macro definition when no rules expect token 2018-10-23 21:44:46 -07:00
Josh Stone
f2443a9b20 Set RUST_BACKTRACE=0 for rustdoc-ui/failed-doctest-output.rs 
This UI test is sensitive to backtrace output, so it should make sure
that backtraces are not enabled by the environment.
 2018-10-23 15:38:31 -07:00
Vadim Petrochenkov
d1e337bded Prohibit macro-expanded extern crate items shadowing crates passed with --extern 2018-10-24 01:33:35 +03:00
Son
35391326a6 Update comment based on suggestion. 2018-10-24 09:28:04 +11:00
Vadim Petrochenkov
7976aa32a9 Minor doc improvements 2018-10-24 00:14:50 +03:00
Vadim Petrochenkov
faefc83a7a Feature gate extern prelude additions from extern crate items 
Fix rustdoc and fulldeps tests
 2018-10-24 00:14:50 +03:00
Vadim Petrochenkov
0f625ac48d Add extern crate items to extern prelude 2018-10-24 00:14:50 +03:00
iirelu
320ec8137e Hopefully fix compile error 
This was added in the fortnight this PR spent stale. I'm hoping this
one-liner fixes it.
 2018-10-23 22:27:02 +02:00
bors
f99911a4a0 Auto merge of #55229 - nikomatsakis:issue-54692-closure-signatures, r=MatthewJasper 
enforce user annotations in closure signatures

Not *quite* ready yet but I'm opening anyway. Still have to finish running tests locally.

Fixes #54692
Fixes #54124

r? @matthewjasper
 2018-10-23 17:44:19 +00:00
Esteban Küber
ad144ac3c1 Modify invalid macro in expression context diagnostic 2018-10-23 10:07:34 -07:00
Esteban Küber
8544db0faa Add macro call span when lacking any other span in diagnostic 2018-10-23 10:07:11 -07:00
Kaz Wesley
3d9231c453 Update stdsimd submodule 
Fixes a SSE2 bug.
 2018-10-23 09:51:02 -07:00
Niko Matsakis
4394c83cb7 type_check/mod.rs: rustfmt 2018-10-23 10:57:06 -04:00
Niko Matsakis
1371cd27d0 check the self type is well-formed 
This fixes `issue-28848.rs` -- it also handles another case that the
AST region checker gets wrong (`wf-self-type.rs`).  I don't actually
think that this is the *right way* to be enforcing this constraint --
I think we should probably do it more generally, perhaps by editing
`predicates_of` for the impl itself. The chalk-style implied bounds
setup ought to fix this.
 2018-10-23 10:32:46 -04:00
Matthias Krüger
4972beaf65 fix typos in various places 2018-10-23 15:56:25 +02:00
Carol (Nichols || Goulding)
8d6ee8f54a
Do some copy editing on the release notes 
I was reading through the release notes to find something and noticed
some small grammatical and consistency issues.
 2018-10-23 07:53:48 -04:00
bors
d74b40205f Auto merge of #55281 - alexcrichton:revert-demote, r=petrochenkov 
Revert "rustc: Fix (again) simd vectors by-val in ABI"

This reverts commit 3cc8f738d4247a9b475d8e074b621e602ac2b7be.
 2018-10-23 10:56:41 +00:00
bors
7cfe5de214 Auto merge of #55113 - mockersf:master, r=estebank 
#45829 when a renamed import conflict with a previous import

Fix the suggestion when a renamed import conflict.

It check if the snipped contains `" as "`, and if so uses everything before for the suggestion.
 2018-10-23 08:17:18 +00:00
Shotaro Yamada
fda3326a5a Remove redundant clone 2018-10-23 17:13:59 +09:00
Alex Crichton
086f5a55be Revert "rustc: Fix (again) simd vectors by-val in ABI" 
This reverts commit 3cc8f738d4247a9b475d8e074b621e602ac2b7be.
 2018-10-23 00:59:14 -07:00
bors
d570b36cd9 Auto merge of #54778 - scottmcm:stabilize-ihle, r=pnkfelix 
Stabilize impl_header_lifetime_elision in 2015

~~This is currently blocked on https://github.com/rust-lang/rust/issues/54902; it should be good after that~~

It's already stable in 2018; this finishes the stabilization.

FCP completed (https://github.com/rust-lang/rust/issues/15872#issuecomment-417953153), proposal (https://github.com/rust-lang/rust/issues/15872#issuecomment-412759783).

Tracking issue: https://github.com/rust-lang/rust/issues/15872
Usage examples (from libcore): https://github.com/rust-lang/rust/pull/54687
 2018-10-23 04:05:50 +00:00
bors
979fb16db9 Auto merge of #55231 - zackmdavis:determinate, r=oli-obk 
pick a reference issue for absolute-paths future incompatibility info

It would be kind of embarrassing to ship with the "issue TBD" message!
 2018-10-23 01:24:26 +00:00
Esteban Kuber
81a609bd4c
add expected error comment 
Co-Authored-By: csmoe <csmoe@msn.com>
 2018-10-23 09:03:35 +08:00
Esteban Kuber
82b86e53e0
add expected error comment 
Co-Authored-By: csmoe <csmoe@msn.com>
 2018-10-23 09:03:11 +08:00
Aaron Hill
4f2624cac9
Fix Rustdoc ICE when checking blanket impls 
Fixes #55001, #54744

Previously, SelectionContext would unconditionally cache the selection
result for an obligation. This worked fine for most users of
SelectionContext, but it caused an issue when used by Rustdoc's blanket
impl finder.

The issue occured when SelectionContext chose a ParamCandidate which
contained inference variables. Since inference variables can change
between calls to select(), it's not safe to cache the selection result -
the chosen candidate might not be applicable for future results, leading
to an ICE when we try to run confirmation.

This commit prevents SelectionContext from caching any ParamCandidate
that contains inference variables. This should always be completely
safe, as trait selection should never depend on a particular result
being cached.

I've also added some extra debug!() statements, which I found helpful in
tracking down this bug.
 2018-10-22 19:40:43 -04:00
Oliver S̶c̶h̶n̶e̶i̶d̶e̶r Scherer
dd91c8fc5a [review comments] modify test and clean up code 
Co-Authored-By: estebank <esteban@kuber.com.ar>
 2018-10-22 14:56:03 -07:00
Esteban Küber
d0bd69a2d5 review comments 2018-10-22 14:56:02 -07:00
Esteban Küber
e1e52eb5a0 Suggest appropriate syntax on missing lifetime specifier in return type 
Suggest using `'static` when a lifetime is missing in the return type
with a structured suggestion instead of a note.
 2018-10-22 14:54:29 -07:00
Nicholas Nethercote
b5336c0b97 Add a cheap mode for compute_missing_ctors. 
`compute_missing_ctors` is called a lot. It produces a vector, which can
be reasonably large (e.g. 100+ elements), but the vector is almost
always only checked for emptiness.

This commit changes `compute_missing_ctors` so it can be called in a
cheap way that just indicates if the vector would be empty. If
necessary, the function can subsequently be called in an expensive way
to compute the full vector.

This change reduces instruction counts for several benchmarks up to 2%.
 2018-10-23 08:20:52 +11:00
Shotaro Yamada
80a6b736ac Unimplement ExactSizeIterator 
If root is not START_BLOCK, `basic_blocks().len() - visited` does not represent
their exact size.
 2018-10-23 01:54:02 +09:00
Niko Matsakis
64b5599352 stop reporting "unsatisfied lifetime bounds" errors after the first 
In particular, after the first for a given region variable. This
suppresses a lot of duplicate errors.
 2018-10-22 11:41:46 -04:00
Niko Matsakis
2921fbaaa8 flesh out closure-substs test 2018-10-22 10:04:47 -04:00