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Author SHA1 Message Date
David Wood
d8db5299fa
Don't buffer lints. 
When lints are emitted from the AST borrow checker, they do not signal
an error as it is not known at that time whether, due to attributes,
that lint will error or warn. This means that when lints are buffered
in the MIR they will always be downgraded, as the AST borrowck will not
have been marked as having errored, even if a lint was upgraded to
an error after being emitted from the AST borrowck. The simple solution
to this is to not buffer any lints from the MIR borrowck.
 2018-10-17 00:47:28 +02:00
Niko Matsakis
b70b4a6814 add ~ERROR annotations 2018-10-16 18:11:55 -04:00
Niko Matsakis
1008539ca6 fix comment 2018-10-16 17:58:32 -04:00
bors
bef62ccddb Auto merge of #54486 - orium:obligation-forest-graphviz, r=nikomatsakis 
Added graphviz visualization for obligation forests.

This can be a big help when debugging the trait resolver.
 2018-10-16 20:30:43 +00:00
ljedrz
1dd92c4a70 Remove HybridBitSet::dummy 2018-10-16 22:14:07 +02:00
Esteban Küber
def0f544a3 Change Scalar to numeric cast 2018-10-16 11:04:42 -07:00
bors
8a7048b72b Auto merge of #54251 - varkor:silence-bad_style, r=Manishearth 
Make `bad_style` a silent alias for `nonstandard_style`

Now only `nonstandard_style` is suggested in `rustc -W help`, but `bad_style` will not produce a warning. Closes #41646.

r? @Manishearth
 2018-10-16 18:01:41 +00:00
varkor
f40932f106 Fix LLVMRustInlineAsmVerify return type mismatch 2018-10-16 18:22:25 +01:00
bors
99ab2f4071 Auto merge of #54937 - alexcrichton:update-stdsimd, r=nikomatsakis 
Update stdsimd submodule

Should hopefully bring documentation for wasm intrinsics online!
 2018-10-16 15:16:12 +00:00
Felix S. Klock II
5b748434af updates to expected output for other ui tests. 2018-10-16 17:11:36 +02:00
Felix S. Klock II
b10beb3233 updates to existing ui/borrowck tests. 2018-10-16 17:11:33 +02:00
Felix S. Klock II
4229739038 Add ignore-compare-mode-nll to some run-pass tests that become compile-fail under #54986. 2018-10-16 17:07:41 +02:00
Felix S. Klock II
3587ff58cc Don't complain re missing mut on attempt to partially initialize an uninitialized struct. 
Under the semantics of #54986 (our short term plan), the partial
initialization itself will signal an error. We don't need to add noise
to the output by also complaining about `mut`. (In particular, the
user may well revise their code in a way that does not require `mut`.)
 2018-10-16 16:58:08 +02:00
Felix S. Klock II
57c467824b Cleanup fn is_mutable by removing some unnecessary control-flow breaks. 
(This makes it a little easier to add instrumentation of the entry and
exit by adding `debug!` at the beginning and end, though note that the
function body *does* use the `?` operator...)
 2018-10-16 16:58:08 +02:00
Felix S. Klock II
d0416cc093 Add helper method to determine if local had ever been initialized at current point in flow. 2018-10-16 16:58:08 +02:00
Felix S. Klock II
bc61541423 Make us error consistently in issue #21232, to fix #54986. 
Treat attempt to partially intialize local `l` as uses of a `mut` in `let mut l;`, to fix #54499.
 2018-10-16 16:57:34 +02:00
Felix S. Klock II
44a2f681a9 Add Place::base_local method and improve doc for Place::local to clarify why we need the former. 2018-10-16 16:57:26 +02:00
ljedrz
24b74b2744 end return statements and void expressions with a semicolon 2018-10-16 11:14:10 +02:00
Oliver Scherer
b1d3111ba2 Use forward compatible FxHashMap initialization 2018-10-16 10:39:48 +02:00
Havvy (Ryan Scheel)
8c186af538 [Rustc Book] Quotes around value in --cfg example 2018-10-16 00:13:05 -07:00
bors
5ea8eb55cd Auto merge of #55067 - ljedrz:generic_iterator_related_improvements, r=petrochenkov 
A few iterator-related improvements

- typeck: don't collect into a vector when unnecessary
- create only one vector when winnowing candidates
- change a cloning map to `into_iter`
 2018-10-16 07:04:10 +00:00
Havvy (Ryan Scheel)
8e10ea6829 [Rustc Book] Explain --cfg's arguments 2018-10-15 21:38:32 -07:00
Roy Wellington Ⅳ
8362aa2178 Extract localStorage tests out into a helper method; use in getCurrentValue() 
1. Extract the tests for whether or not we have workable localStorage out into
   a helper method, so it can be more easily reused
2. Use it in getCurrentValue() too, for the same reasons, as suggested in code
   review
 2018-10-15 20:39:16 -07:00
bors
df0d6ad9c1 Auto merge of #55023 - euclio:llvm-error-handler, r=cuviper 
Exit with code 101 on fatal codegen errors

Fixes #54992.

This PR installs a custom fatal error handler that prints the error from LLVM and exits with 101. There should be no visible change in the output from LLVM. This allows distinguishing a fatal LLVM error with a compilation error by exit code.

This PR also modifies the LLVM codegen backend to ICE instead of emitting a fatal error when encountering a LLVM worker thread panic for the same reason.

r? @cuviper
 2018-10-16 02:06:26 +00:00
Esteban Küber
70dd9ca5da Add test for #34229 2018-10-15 15:47:55 -07:00
Niko Matsakis
7ce2e7a5fa fix mir-opt test 2018-10-15 16:25:08 -04:00
Niko Matsakis
087d12972e pacify the mercilous tidy 
(long lines)
 2018-10-15 16:25:08 -04:00
Niko Matsakis
2e4e983356 update tests 2018-10-15 16:25:08 -04:00
Niko Matsakis
ba20806e46 avoid type variables in the self-type 2018-10-15 16:25:08 -04:00
Niko Matsakis
16a382407b pass along user_self_ty 2018-10-15 16:25:08 -04:00
Niko Matsakis
547182ea94 handle user-self-type for def-ids 2018-10-15 16:25:08 -04:00
Niko Matsakis
0e1d3624e9 pull the common code across user-ty variants up top 2018-10-15 16:25:08 -04:00
Niko Matsakis
1443ac0aa7 introduce a more expressive UserSubsts 2018-10-15 16:25:08 -04:00
Niko Matsakis
2a7fc227a6 introduce FnDef and AdtDef to UserTypeAnnotation 2018-10-15 16:24:46 -04:00
Niko Matsakis
aed6e4a083 introduce a UserTypeAnnotation enum 2018-10-15 16:24:46 -04:00
Niko Matsakis
e339e84fff move force_instantiate_unchecked to be local to nll_relate code 2018-10-15 16:24:46 -04:00
Niko Matsakis
e7ed997d87 extract type_relate into the inference context as nll_relate 
The name is not great. Nor is the existence of this code great.  It
should be merged with the main "type relating code" at some point.
 2018-10-15 16:24:46 -04:00
Niko Matsakis
b6a080e9d7 rework relate_type_and_user_type to use type inference variables 
We used to use a kind of "home-grown" variant where we tracked the
value of each canonical variable.
 2018-10-15 16:24:46 -04:00
Niko Matsakis
a3409a1640 make instantiate_canonical_with_fresh_inference_vars public again 
This used to be public, then I made it private in a previous PR, but
there really wasn't a strong need for that.
 2018-10-15 16:24:31 -04:00
Niko Matsakis
ca52427d06 make TypeRelating take an infcx again 
At some point, I had thought to use this code to handle equality
comparisons for the `IfEq` verify bounds; at that point, we might not
have had an infcx to talk about. But we wound up doing "SCC
representatives" instead, so that's fine.
 2018-10-15 16:05:31 -04:00
Niko Matsakis
24bee005b6 add force_instantiate_unchecked method 2018-10-15 16:05:31 -04:00
Niko Matsakis
4b69edc19e rename to user_substs_applied_to_def for consistency 2018-10-15 16:05:31 -04:00
bors
46880f41b7 Auto merge of #55095 - Manishearth:rollup, r=Manishearth 
Rollup of 11 pull requests

Successful merges:

 - #54820 (Closes #54538: `unused_patterns` lint)
 - #54963 (Cleanup rustc/session)
 - #54991 (add test for #23189)
 - #55025 (Add missing lifetime fragment specifier to error message.)
 - #55047 (doc: make core::fmt::Error example more simple)
 - #55048 (Don't collect to vectors where unnecessary)
 - #55060 (clarify pointer add/sub function safety concerns)
 - #55062 (Make EvalContext::step public again)
 - #55066 (Fix incorrect link in println! documentation)
 - #55081 (Deduplicate tests)
 - #55088 (Update rustc documentation link)

Failed merges:

r? @ghost
 2018-10-15 19:50:50 +00:00
Oliver Scherer
c95ee9e91d Add comments to remind everyone to keep the get_vtable impls in sync 2018-10-15 21:00:17 +02:00
Oliver Scherer
ef3ece7444 Uplift some comments to doc comments 2018-10-15 20:59:15 +02:00
Oliver Scherer
8ac7fa414b Synchronize get_vtable with the codegen_llvm one 2018-10-15 20:59:15 +02:00
Oliver Scherer
80feed380d Deduplicate vtables within a single evaluation 2018-10-15 20:54:23 +02:00
Manish Goregaokar
562625dda2
Rollup merge of #55088 - juchiast:master, r=varkor 
Update rustc documentation link

Old link: http://manishearth.github.io/rust-internals-docs/rustc/
New link: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/
 2018-10-15 10:15:23 -07:00
Manish Goregaokar
4d837bef05
Rollup merge of #55081 - sinkuu:dedup_test, r=Manishearth 
Deduplicate tests

* [`ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-4`](0c665e20db/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-4.rs)
and [`ex3-both-anon-regions-both-are-structs-3`](0c665e20db/src/test/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.rs)
* [`ui/lint/lint-group-style`](0c665e20db/src/test/ui/lint/lint-group-style.rs) and [`lint-group-nonstandard-style`](0c665e20db/src/test/ui/lint/lint-group-nonstandard-style.rs)
 2018-10-15 10:15:22 -07:00
Manish Goregaokar
6993a051e7
Rollup merge of #55066 - iaz3:patch-1, r=sfackler 
Fix incorrect link in println! documentation

The eprintln! link was incorrectly linking to eprint! instead
 2018-10-15 10:15:21 -07:00