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Author SHA1 Message Date
Ralf Jung
303dbccf04 CTFE: dynamically make sure we do not call non-const-fn 2018-11-16 18:05:08 +01:00
bors
485397e49a Auto merge of #55589 - oli-obk:min_length_💣, r=pnkfelix 
Add `VariantIdx` type and use instead of `usize`
 2018-11-13 07:04:14 +00:00
bors
65204a97d4 Auto merge of #55278 - Centril:constification-1, r=alexcrichton 
Minor standard library constification

This PR makes some bits of the standard library into `const fn`s.
I've tried to be as aggressive as I possibly could in the constification.
The list is rather small due to how restrictive `const fn` is at the moment.

r? @oli-obk cc @rust-lang/libs

Stable public APIs affected:
+ [x] `Cell::as_ptr`
+ [x] `UnsafeCell::get`
+ [x] `char::is_ascii`
+ [x] `iter::empty`
+ [x] `ManuallyDrop::{new, into_inner}`
+ [x] `RangeInclusive::{start, end}`
+ [x] `NonNull::as_ptr`
+ [x] `{[T], str}::as_ptr`
+ [x] `Duration::{as_secs, subsec_millis, subsec_micros, subsec_nanos}`
+ [x] `CStr::as_ptr`
+ [x] `Ipv4Addr::is_unspecified`
+ [x] `Ipv6Addr::new`
+ [x] `Ipv6Addr::octets`

Unstable public APIs affected:
+ [x] `Duration::{as_millis, as_micros, as_nanos, as_float_secs}`
+ [x] `Wrapping::{count_ones, count_zeros, trailing_zeros, rotate_left, rotate_right, swap_bytes, reverse_bits, from_be, from_le, to_be, to_le, leading_zeros, is_positive, is_negative, leading_zeros}`
+ [x] `core::convert::identity`

--------------------------

## Removed from list in first pass:

Stable public APIs affected:
+ [ ] `BTree{Map, Set}::{len, is_empty}`
+ [ ] `VecDeque::is_empty`
+ [ ] `String::{is_empty, len}`
+ [ ] `FromUtf8Error::utf8_error`
+ [ ] `Vec<T>::{is_empty, len}`
+ [ ] `Layout::size`
+ [ ] `DecodeUtf16Error::unpaired_surrogate`
+ [ ] `core::fmt::{fill, width, precision, sign_plus, sign_minus, alternate, sign_aware_zero_pad}`
+ [ ] `panic::Location::{file, line, column}`
+ [ ] `{ChunksExact, RChunksExact}::remainder`
+ [ ] `Utf8Error::valid_up_to`
+ [ ] `VacantEntry::key`
+ [ ] `NulError::nul_position`
+ [ ] `IntoStringError::utf8_error`
+ [ ] `IntoInnerError::error`
+ [ ] `io::Chain::get_ref`
+ [ ] `io::Take::{limit, get_ref}`
+ [ ] `SocketAddrV6::{flowinfo, scope_id}`
+ [ ] `PrefixComponent::{kind, as_os_str}`
+ [ ] `Path::{ancestors, display}`
+ [ ] `WaitTimeoutResult::timed_out`
+ [ ] `Receiver::{iter, try_iter}`
+ [ ] `thread::JoinHandle::thread`
+ [ ] `SystemTimeError::duration`

Unstable public APIs affected:
+ [ ] `core::fmt::Arguments::new_v1`
+ [ ] `core::fmt::Arguments::new_v1_formatted`
+ [ ] `Pin::{get_ref, into_ref}`
+ [ ] `Utf8Lossy::chunks`
+ [ ] `LocalWaker::as_waker`
+ [ ] `panic::PanicInfo::{internal_constructor, message, location}`
+ [ ] `panic::Location::{internal_constructor }`

## Removed from list in 2nd pass:

Stable public APIs affected:
+ [ ] `LinkedList::{new, iter, is_empty, len}`
+ [ ] `mem::forget`
+ [ ] `Cursor::{new, get_ref, position}`
+ [ ] `io::{empty, repeat, sink}`
+ [ ] `PoisonError::new`
+ [ ] `thread::Builder::new`
+ [ ] `process::Stdio::{piped, inherit, null}`

Unstable public APIs affected:
+ [ ] `io::Initializer::{zeroing, should_initialize}`
 2018-11-12 18:54:11 +00:00
Oliver Scherer
b174b0b955 miri-engine value visitor update to VariantIdx 2018-11-12 14:24:45 +01:00
Pietro Albini
0f1c1eb480
Rollup merge of #55828 - oli-obk:promotion_strikes_again, r=eddyb 
Add missing `rustc_promotable` attribute to unsigned `min_value` and `max_value`

cc @pnkfelix

fixes #55806
 2018-11-11 00:21:23 +01:00
Pietro Albini
e121305abd
Rollup merge of #55792 - oli-obk:propsicle, r=RalfJung 
Prevent ICE in const-prop array oob check

fixes https://github.com/rust-lang/rust/issues/55772
fixes https://github.com/rust-lang/rust/issues/54541
 2018-11-11 00:21:14 +01:00
Mazdak Farrokhzad
ac1c6b0378 adjust ui/../mod-static-with-const-fn.rs 2018-11-10 02:36:19 +01:00
Oliver Scherer
c8e23d8c4c Tidy ♪ all ♪ the ♪ way ♪♪♪♪ with ♪ a ♪ newline ♪ missing ♪ cry ♪♪ 2018-11-10 01:11:06 +01:00
Oliver Scherer
56768235e1 Add a few tests around raw pointers and interior mutability 2018-11-10 01:11:06 +01:00
Mazdak Farrokhzad
53fe629417 fix mod-static-with-const-fn.rs. 2018-11-10 01:10:07 +01:00
Mazdak Farrokhzad
88da279e45 --bless mod-static-with-const-fn.stderr 2018-11-10 01:10:07 +01:00
Mazdak Farrokhzad
5b89877dda constify parts of libcore. 2018-11-10 01:07:32 +01:00
Oliver Scherer
f4c9dd55d6 Add missing rustc_promotable attribute to unsigned min_value and max_value 2018-11-09 17:55:24 +01:00
Oliver Scherer
1206549d1b Fix tidy 2018-11-09 10:11:20 +01:00
Oliver Scherer
ffa7ce4290 Add more regression tests 2018-11-08 20:18:26 +01:00
Oliver Scherer
df10965dc0 Prevent ICE in const-prop array oob check 2018-11-08 20:15:13 +01:00
bors
653da4fd00 Auto merge of #55532 - pnkfelix:rustc_error-survey, r=nikomatsakis 
#[rustc_error] survey

Fix #55505
 2018-11-08 09:38:49 +00:00
Ralf Jung
3ec89746ba test diagnostics for more ranges 2018-11-07 14:06:38 +01:00
Ralf Jung
b42b9b34d5 pretty-print scalar range that only has an upper bound 2018-11-07 13:58:43 +01:00
Ralf Jung
9dba743a6a do not print wrapping ranges like normal ranges in diagnostics 2018-11-07 13:46:49 +01:00
Felix S. Klock II
a2e090624e Removed #[rustc_error] from tests that are all // compile-pass. 
I also added `// skip-codegen` to each one, to address potential concerns
that this change would otherwise slow down our test suite spending time
generating code for files that are really just meant to be checks of
compiler diagnostics.

(However, I will say: My preference is to not use `// skip-codegen` if
one can avoid it. We can use all the testing of how we drive LLVM that
we can get...)

(Updated post rebase.)
 2018-11-07 13:09:52 +01:00
bors
8315b11b63 Auto merge of #55549 - RalfJung:miri-visitor, r=oli-obk 
Value visitors for miri

Generalize the traversal part of validation to a `ValueVisitor`.

~~This includes https://github.com/rust-lang/rust/pull/55316, [click here](https://github.com/RalfJung/rust/compare/retagging...RalfJung:miri-visitor) for just the new commits.~~
 2018-11-07 09:14:12 +00:00
bors
ddd4b194a0 Auto merge of #55262 - oli-obk:dangling_alloc_id_ice, r=RalfJung 
Change the ICE from #55223 to a hard error

cc @SimonSapin

r? @RalfJung

fixes https://github.com/rust-lang/rust/issues/55287
 2018-11-06 23:36:13 +00:00
Ralf Jung
996a42557e the visitor can already load the value for visit_primitive 2018-11-05 09:40:05 +01:00
Ralf Jung
77c283465c Also test for undef in enum discriminant 
The error message is sub-par, but fixing that requries moving ScalarMaybeUndef
to librustc which would conflict badly with another PR that is in flight.
 2018-11-05 09:17:48 +01:00
Ralf Jung
fa01e04fbb fix validation error on non-integer enum discriminants 2018-11-05 09:17:48 +01:00
Ralf Jung
7d7bd9b6c2 reduce the amount of traversal/projection code that the visitor has to implement itself 2018-11-05 09:17:48 +01:00
Samuel Holland
283f2be142 Fix double_check tests on big-endian targets 
Since the enums get optimized down to 1 byte long, the bits
set in the usize member don't align with the enums on big-endian
machines. Avoid this issue by shrinking the integer member to the
same size as the enums.
 2018-11-01 01:03:20 +00:00
kennytm
3176239d34
Rollup merge of #55474 - oli-obk:const_eval_promoted, r=RalfJung 
Fix validation false positive

Fixes #55454

r? @RalfJung
 2018-10-30 18:55:32 +08:00
Oliver Scherer
3ad154f484 Fix wrong validation clasisfication of Option<&T>::Some values 2018-10-29 15:22:47 +01:00
Oliver Scherer
e70b63458a Turn ICE for dangling pointers into error 2018-10-29 13:14:17 +01:00
memoryruins
fc2aa3fe0e Add UI test for #49296 2018-10-29 00:09:32 -04:00
Oliver Scherer
c04893afbb Fix an ICE in the min_const_fn analysis 2018-10-27 13:34:35 +02:00
bors
3e6f30ec3e Auto merge of #55382 - kennytm:rollup, r=kennytm 
Rollup of 21 pull requests

Successful merges:

 - #54816 (Don't try to promote already promoted out temporaries)
 - #54824 (Cleanup rustdoc tests with `@!has` and `@!matches`)
 - #54921 (Add line numbers option to rustdoc)
 - #55167 (Add a "cheap" mode for `compute_missing_ctors`.)
 - #55258 (Fix Rustdoc ICE when checking blanket impls)
 - #55264 (Compile the libstd we distribute with -Ccodegen-unit=1)
 - #55271 (Unimplement ExactSizeIterator for MIR traversing iterators)
 - #55292 (Macro diagnostics tweaks)
 - #55298 (Point at macro definition when no rules expect token)
 - #55301 (List allowed tokens after macro fragments)
 - #55302 (Extend the impl_stable_hash_for! macro for miri.)
 - #55325 (Fix link to macros chapter)
 - #55343 (rustbuild: fix remap-debuginfo when building a release)
 - #55346 (Shrink `Statement`.)
 - #55358 (Remove redundant clone (2))
 - #55370 (Update mailmap for estebank)
 - #55375 (Typo fixes in configure_cmake comments)
 - #55378 (rustbuild: use configured linker to build boostrap)
 - #55379 (validity: assert that unions are non-empty)
 - #55383 (Use `SmallVec` for the queue in `coerce_unsized`.)
 - #55391 (bootstrap: clean up a few clippy findings)
 2018-10-26 17:26:56 +00:00
kennytm
68d5fddeef
Rollup merge of #54816 - oli-obk:double_promotion, r=alexreg 
Don't try to promote already promoted out temporaries

fixes #53201

r? @eddyb
 2018-10-26 18:24:54 +08:00
Oliver Schneider
1c5ff292fc Rebase fallout 2018-10-25 17:20:39 +02:00
Ralf Jung
7ed7fc881e add the lint back to the list, and fix tests 2018-10-25 16:48:15 +02:00
Ralf Jung
94586bc133 fix ui tests (rebase fallout) 2018-10-25 16:48:15 +02:00
Alexander Regueiro
7c34f2da57 Addressed minor issues brought up in review. 2018-10-25 16:47:35 +02:00
Oliver Schneider
bf8471aeda Rebase fallout in ui output 2018-10-25 16:47:35 +02:00
Oliver Schneider
6a6b3309e6 update tests to changes on rustc master 2018-10-25 16:47:35 +02:00
Oliver Schneider
0f97048618 Deduplicate all the ~~things~~ errors 2018-10-25 16:47:35 +02:00
Oliver Schneider
7fdf06cdde Report const eval error inside the query 2018-10-25 16:46:19 +02:00
Matthew Jasper
2a3969a3f7 Use new region infer errors for explaining borrows 
This gives at least some explanation for why a borrow is expected to
last for a certain free region. Also:

* Reports E0373: "closure may outlive the current function" with NLL.
* Special cases the case of returning a reference to (or value
  referencing) a local variable or temporary (E0515).
* Special case assigning a reference to a local variable in a closure
  to a captured variable.
 2018-10-21 12:35:00 +01:00
Niko Matsakis
a66ab2bedc skip user-type annotations if they don't have regions 2018-10-19 09:34:28 -04:00
Niko Matsakis
d5d5e8c5f5 lowering casts in constants now creates multiple uses 
This can trigger more errors than before. Not sure what is the best
fix here.
 2018-10-19 09:34:28 -04:00
bors
74ff7dcb13 Auto merge of #55194 - kennytm:rollup, r=kennytm 
Rollup of 7 pull requests

Successful merges:

 - #54300 (Updated RELEASES.md for 1.30.0)
 - #55013 ([NLL] Propagate bounds from generators)
 - #55071 (Fix ICE and report a human readable error)
 - #55144 (Cleanup resolve)
 - #55166 (Don't warn about parentheses on `match (return)`)
 - #55169 (Add a `copysign` function to f32 and f64)
 - #55178 (Stabilize slice::chunks_exact(), chunks_exact_mut(), rchunks(), rchunks_mut(), rchunks_exact(), rchunks_exact_mut())
 2018-10-19 09:29:48 +00:00
kennytm
89ebc6ce4f
Rollup merge of #55071 - oli-obk:const_cast_🍨, r=RalfJung 
Fix ICE and report a human readable error

fixes #55063

r? @RalfJung
 2018-10-19 16:47:42 +08:00
bors
cb5e1b93e3 Auto merge of #55004 - oli-obk:sized_static, r=cramertj 
Check the type of statics and constants for `Sized`ness

fixes #54410
 2018-10-19 00:22:25 +00:00
David Wood
539404b77d
Update output for borrowck=migrate compare mode. 
This commit updates the test output for the updated NLL compare mode
that uses `-Z borrowck=migrate` rather than `-Z borrowck=mir`. The
previous commit changes `compiletest` and this commit only updates
`.nll.stderr` files.
 2018-10-17 00:57:32 +02:00