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Author SHA1 Message Date
Mazdak Farrokhzad
62e3daee3f
Rollup merge of #69859 - contrun:fix-62456, r=matthewjasper 
fix #62456

closes https://github.com/rust-lang/rust/issues/62456
 2020-03-11 10:36:29 +01:00
Mazdak Farrokhzad
dfbbd5d6ea
Rollup merge of #69825 - lcnr:discriminant, r=oli-obk 
make `mem::discriminant` const

implements #69821, which could be used as a tracking issue for `const_discriminant`.

Should this be added to the meta tracking issue #57563?
@Lokathor
 2020-03-11 10:36:28 +01:00
Mazdak Farrokhzad
452c147fba
Rollup merge of #69766 - skade:make-point-copy-in-add-documentation, r=shepmaster 
Make Point `Copy` in arithmetic documentation

Small composite types like `Point { x: i32, y: i32}` are plain
old data and we should encourage users to derive `Copy` on them.

This changes the semantics of the edited examples slightly: instead
of consuming the operands during addition, it will copy them. This
is desired behaviour.
 2020-03-11 10:36:26 +01:00
Mazdak Farrokhzad
ae122721dc
Rollup merge of #69645 - DutchGhost:const-forget-tests, r=Dylan-DPC 
const forget tests

Adds tests for https://github.com/rust-lang/rust/pull/69617
 2020-03-11 10:36:24 +01:00
Mazdak Farrokhzad
25091ed9b7
Rollup merge of #69625 - Stebalien:feat/iter-copy-specialize, r=KodrAus 
Implement nth, last, and count for iter::Copied

Implement nth, last and count for iter::Copied.
 2020-03-11 10:36:22 +01:00
Mazdak Farrokhzad
d7f0b88ade
Rollup merge of #69591 - matthewjasper:query-response-relate, r=nikomatsakis 
Use TypeRelating for instantiating query responses

`eq` can add constraints to `RegionConstraintData`, which isn't allowed during borrow checking outside of a `CustomTypeOp`. Use `TypeRelating` instead to always push constraints to the obligations list.

closes #69490
 2020-03-11 10:36:19 +01:00
Mazdak Farrokhzad
43079147f4
Rollup merge of #69373 - tspiteri:const_int_conversion, r=oli-obk 
Stabilize const for integer {to,from}_{be,le,ne}_bytes methods

All of these functions can be implemented simply and naturally as const functions, e.g. `u32::from_le_bytes` can be implemented as
```rust
(bytes[0] as u32)
    | (bytes[1] as u32) << 8
    | (bytes[2] as u32) << 16
    | (bytes[3] as u32) << 24
```
So stabilizing the constness will not expose that internally they are implemented using transmute which is not const in stable.
 2020-03-11 10:36:18 +01:00
Mazdak Farrokhzad
a7c2eef2ae
Rollup merge of #66059 - RalfJung:panic-on-non-zero, r=eddyb 
mem::zeroed/uninit: panic on types that do not permit zero-initialization

r? @eddyb @oli-obk

Cc https://github.com/rust-lang/rust/issues/62825

Also see [this summary comment](https://github.com/rust-lang/rust/pull/66059#issuecomment-586734747)
 2020-03-11 10:36:16 +01:00
Tomasz Miąsko
1106579c78 librustc_codegen_llvm: Use slices instead of 0-terminated strings 
Changed functions:
* LLVMRustGetOrInsertFunction
* LLVMRustGetNamedValue
* LLVMRustBuildCall (removed unused name argument)
* LLVMRustInlineAsm
* LLVMRustInlineAsmVerify
* LLVMRustAppendModuleInlineAsm
 2020-03-11 08:10:21 +01:00
Esteban Küber
29be741c9c review comments 2020-03-10 17:59:32 -07:00
Dylan MacKenzie
68f20019f7 Ignore mir-opt test when panic=abort 2020-03-10 17:18:16 -07:00
Dylan MacKenzie
8ea5ac60b6 Add mir-opt test for better drop elaboration 2020-03-10 17:18:16 -07:00
Wesley Wiser
5357f83ee8 [Miri] Use a session variable instead of checking for an env var always 
In CTFE heavy code, checking the env var everytime is inefficient. We
can do a lot better by using a `Session` variable instead.
 2020-03-10 18:18:04 -04:00
Santiago Pastorino
b3b32b74bc
rust-lang.github.io/rustc-dev-guide -> rustc-dev-guide.rust-lang.org 2020-03-10 17:08:18 -03:00
Santiago Pastorino
d00b2696d8
Rename Rustc Guide to Rustc Dev Guide 2020-03-10 17:08:18 -03:00
Santiago Pastorino
1ddcea3422
Rename rustc_guide to rustc_dev_guide 2020-03-10 17:08:17 -03:00
Santiago Pastorino
9d4fdba8be
Rename rustc guide to rustc dev guide 2020-03-10 17:08:16 -03:00
Santiago Pastorino
0037f4e37c
Rename rustc-guide to rustc-dev-guide 2020-03-10 17:08:10 -03:00
Vadim Petrochenkov
6b27e8d2a6 parse: Tweak the function parameter edition check 
Move anon-params tests to ui/anon-params.
 2020-03-10 22:35:01 +03:00
bors
1581278534 Auto merge of #66364 - Centril:cleanup-macro-def, r=petrochenkov,eddyb 
Cleanup `rmeta::MacroDef`

Avoid using rountrip parsing in the encoder and in `fn load_macro_untracked`.

The main reason I was interested in this was to remove `rustc_parse` as a dependency of `rustc_metadata` but it seems like this had other benefits as well.

Fixes #49511.

r? @eddyb
cc @matthewjasper @estebank @petrochenkov
 2020-03-10 17:12:48 +00:00
Florian Gilcher
69aaed872c Make Point Copy in arithmetic documentation 
Small composite types like `Point { x: i32, y: i32}` are plain
old data and we should encourage users to derive `Copy` on them.

This changes the semantics of the edited examples slightly: instead
of consuming the operands during addition, it will copy them. This
is desired behaviour.

Co-Authored-By: Jake Goulding <shepmaster@mac.com>
 2020-03-10 18:11:36 +01:00
Mazdak Farrokhzad
4d16c217b8 Matrix::push: recursively expand or-patterns 2020-03-10 17:46:19 +01:00
Bastian Kauschke
7b3e3ff39a explain the use of a custom identity function 2020-03-10 12:46:22 +01:00
Lena Wildervanck
88f8b88160 Remove deprecated description function of TryReserveError 2020-03-10 11:19:40 +01:00
Ralf Jung
0b2329da9a also make panic_fmt track_caller 2020-03-10 10:31:03 +01:00
Mazdak Farrokhzad
458383dd33 parse_if_expr: recover on attributes 2020-03-10 08:55:18 +01:00
Mazdak Farrokhzad
ba3ae46de9 trait-object-lifetime-parens: improve recovery. 2020-03-10 08:35:23 +01:00
Mazdak Farrokhzad
d1822b3dcf use check_path more 2020-03-10 08:35:23 +01:00
Mazdak Farrokhzad
c0b073bc62 simplify & improve parse_ty_tuple_or_parens 2020-03-10 08:35:23 +01:00
Mazdak Farrokhzad
25cd01b863 issue 68890: add more minimal repro 2020-03-10 08:35:23 +01:00
Mazdak Farrokhzad
09997e7227 error_block_no_opening_brace: handle closures better 2020-03-10 08:35:23 +01:00
Mazdak Farrokhzad
c01b3e6996 block-no-opening-brace: add another statement 2020-03-10 08:35:23 +01:00
Mazdak Farrokhzad
65b7ba5129 parser: add note for 'label expr. 2020-03-10 08:35:23 +01:00
Mazdak Farrokhzad
83be689b94 parser/attr: adjust indentation. 2020-03-10 08:35:23 +01:00
Mazdak Farrokhzad
e72df7edad parse_labeled_expr: add a suggestion on missing colon. 2020-03-10 08:35:23 +01:00
Mazdak Farrokhzad
fe848b44fe parse_block_tail: reduce visibility 2020-03-10 08:35:23 +01:00
Mazdak Farrokhzad
addbc5b9df unify/improve/simplify attribute parsing 2020-03-10 08:35:23 +01:00
Mazdak Farrokhzad
be86b2d37b parse: recover on fn foo() = expr; 2020-03-10 08:32:34 +01:00
Mazdak Farrokhzad
379f3181de parse: simplify parse_fn_body 2020-03-10 08:32:34 +01:00
Mazdak Farrokhzad
055733f3b3 parse: recover on &'lt $expr / 'lt $expr. 2020-03-10 08:32:34 +01:00
Mazdak Farrokhzad
8ee220c447 more reuse in block parsing & improve diagnostics. 2020-03-10 08:32:34 +01:00
Mazdak Farrokhzad
883e90dd81 simplify parse_inner_attributes 2020-03-10 08:32:34 +01:00
Mazdak Farrokhzad
c303c4463c use error_block_no_opening_brace more 2020-03-10 08:32:34 +01:00
Mazdak Farrokhzad
9596dc2a47 parse_labeled_expr: simplify 2020-03-10 08:32:34 +01:00
Mazdak Farrokhzad
bafa5cc9ba macros/unknown-builtin: use hack for musl problems 2020-03-10 08:30:07 +01:00
Mazdak Farrokhzad
87b6bc3518 span-api-tests: leave FIXME 2020-03-10 07:26:27 +01:00
Ana-Maria Mihalache
4809be0137 rustc_errors: Use ensure_source_file_source_present where necessary. 2020-03-10 07:26:27 +01:00
Mazdak Farrokhzad
cf2d4236eb --bless some tests 2020-03-10 07:26:27 +01:00
Mazdak Farrokhzad
b3bc427228 adjust span-api-tests.rs 2020-03-10 07:26:27 +01:00
Mazdak Farrokhzad
192d134e80 pacify rustdoc by using better url 2020-03-10 07:26:27 +01:00