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Author SHA1 Message Date
Mazdak Farrokhzad
40579d15db
Rollup merge of #67748 - MaskRay:frame-pointer, r=rkruppe 
Use function attribute "frame-pointer" instead of "no-frame-pointer-elim"

LLVM 8 ([D56351](http://reviews.llvm.org/D56351)) introduced "frame-pointer". In LLVM 10 (D71863),
"no-frame-pointer-elim"/"no-frame-pointer-elim-non-leaf" will be
ignored.

-----

In the LLVM monorepo, run `git show origin/release/8.x:llvm/lib/CodeGen/TargetOptionsImpl.cpp` to see that `"frame-pointer"` is available since LLVM 8.
 2019-12-31 19:19:39 +01:00
Mazdak Farrokhzad
3cca3c6ace
Rollup merge of #67744 - Centril:reduce-diversity, r=petrochenkov 
parser: reduce diversity in error handling mechanisms

Instead of having e.g. `span_err`, `fatal`, etc., we prefer to move towards uniformly using `struct_span_err` thus making it harder to emit fatal and/or unstructured diagnostics.

This PR also de-fatalizes some diagnostics.

r? @estebank
 2019-12-31 19:19:38 +01:00
Mazdak Farrokhzad
50fb8480db
Rollup merge of #67730 - Centril:typeck-pat-cleanup, r=estebank 
Cleanup pattern type checking, fix diagnostics bugs (+ improvements)

r? @estebank
 2019-12-31 19:19:36 +01:00
Mazdak Farrokhzad
bc5963d2eb
Rollup merge of #67702 - crlf0710:normalize_ident2, r=petrochenkov 
Add symbol normalization for proc_macro_server.

Follow up for #66670, finishing the first bullet point in #55467.

r? @petrochenkov
 2019-12-31 19:19:34 +01:00
Mazdak Farrokhzad
89fbed98c2
Rollup merge of #67685 - lukaslueg:const_result, r=oli-obk 
Constify Result

r? @oli-obk

This is just the `Result`-part of #67494 which I'll resubmit once #66254 has landed.
 2019-12-31 19:19:33 +01:00
Mazdak Farrokhzad
3cf2bc0e51
Rollup merge of #67574 - Centril:librustc_lowering, r=Mark-Simulacrum 
Extract `rustc_ast_lowering` crate from `rustc`

Working towards https://github.com/rust-lang/rust/issues/65031.

This PR moves `src/librustc/hir/lowering{/, .rs}` to its own crate (`librustc_ast_lowering`) which is very self-contained (only `fn lower_crate` and `trait Resolver` are exposed).

r? @Mark-Simulacrum
 2019-12-31 19:19:31 +01:00
Mazdak Farrokhzad
70eca998d7 nix lower_label identity function. 2019-12-31 17:57:17 +01:00
Mazdak Farrokhzad
52179c56be librustc_ast_lowering: fix misc fallout. 2019-12-31 17:56:25 +01:00
Mazdak Farrokhzad
7b6ef2b369 librustc_ast_lowering: cargo changes. 2019-12-31 17:33:10 +01:00
Mazdak Farrokhzad
ce8dbf05f9 librustc_ast_lowering: move the files. 2019-12-31 17:27:34 +01:00
Lukas Lueg
954c432a87 Constify Result 2019-12-31 15:13:37 +01:00
bors
5095101528 Auto merge of #67752 - Dylan-DPC:rollup-7f9v4nx, r=Dylan-DPC 
Rollup of 5 pull requests

Successful merges:

 - #67430 (doc: minus (U+2212) instead of dash (U+002D) for negative infinity)
 - #67697 (Move the region_scope_tree query to librustc_passes.)
 - #67719 (Add self to .mailmap)
 - #67723 (Add error code explanation for E0477)
 - #67735 (Support `-Z ui-testing=yes/no`)

Failed merges:

r? @ghost
 2019-12-31 12:58:10 +00:00
Dylan DPC
529a42a1a6
Rollup merge of #67735 - petrochenkov:uibool, r=Mark-Simulacrum 
Support `-Z ui-testing=yes/no`

`ui-testing` is now a boolean option (`-Z ui-testing=yes/no`) and can be specified multiple times with later values overriding earlier values (`-Z ui-testing=yes -Z ui-testing=no` == `-Z ui-testing=no`), so it can be set in a hierarchical way, e.g. UI testing infra may enable it by default with specific tests being able to opt-out.

This way we can remove the special opt-out support from `compiletest`.

Inspired by https://github.com/rust-lang/rust/pull/67709.
 2019-12-31 18:14:07 +05:30
Dylan DPC
cf24b6bcbf
Rollup merge of #67723 - ldm0:E0477, r=Dylan-DPC 
Add error code explanation for E0477

Part of #61137
 2019-12-31 18:14:06 +05:30
Dylan DPC
b223f5b043
Rollup merge of #67719 - jumbatm:add-self-to-mailmap, r=Mark-Simulacrum 
Add self to .mailmap

r? @Mark-Simulacrum

Cheers.
 2019-12-31 18:14:04 +05:30
Dylan DPC
83f5cf8c4d
Rollup merge of #67697 - cjgillot:passes-scope-tree, r=Zoxc 
Move the region_scope_tree query to librustc_passes.

Split out of #67688.

r? @Zoxc
 2019-12-31 18:14:03 +05:30
Dylan DPC
2c64475069
Rollup merge of #67430 - tspiteri:minus-inf, r=Dylan-DPC 
doc: minus (U+2212) instead of dash (U+002D) for negative infinity

The documentation for [`f32::NEG_INFINITY`](https://doc.rust-lang.org/std/f32/constant.NEG_INFINITY.html) contains “-∞” with a dash instead of a minus sign, “−∞” with a proper minus sign looks better with the used Source Serif Pro font. Similarly for [`f64::NEG_INFINITY`](https://doc.rust-lang.org/std/f64/constant.NEG_INFINITY.html).
 2019-12-31 18:14:01 +05:30
bors
71bb0ff33e Auto merge of #67597 - estebank:placeholder-type, r=oli-obk 
Suggest type param when encountering `_` in item signatures

Fix #27435.
 2019-12-31 09:50:49 +00:00
Fangrui Song
b40dc30a3e Use function attribute "frame-pointer" instead of "no-frame-pointer-elim" 
LLVM 8 (D56351) introduced "frame-pointer". In LLVM 10 (D71863),
"no-frame-pointer-elim"/"no-frame-pointer-elim-non-leaf" will be
ignored.
 2019-12-30 23:16:02 -08:00
Mazdak Farrokhzad
2e7806146c parser: bug -> span_bug 2019-12-31 04:33:34 +01:00
Mazdak Farrokhzad
4ae9c1c3ec parser::diagnostics: remove fn fatal 2019-12-31 04:33:34 +01:00
Mazdak Farrokhzad
2e812c1c5f parser::pat: remove .fatal calls 2019-12-31 04:33:34 +01:00
Mazdak Farrokhzad
6fba125912 parser::path: remove .fatal calls 2019-12-31 04:33:34 +01:00
Mazdak Farrokhzad
51fb599849 parser::module: remove .fatal calls 2019-12-31 04:33:34 +01:00
Mazdak Farrokhzad
13ca924988 parser::item: remove .fatal calls 2019-12-31 04:33:34 +01:00
Mazdak Farrokhzad
46ec6becf2 parser::attr: remove .fatal calls 2019-12-31 04:33:34 +01:00
Mazdak Farrokhzad
85dbbaa492 process_potential_macro_variable: de-fatalize an error 2019-12-31 04:33:34 +01:00
Mazdak Farrokhzad
5a64ba6386 parser: span_fatal -> struct_span_err 2019-12-31 04:33:34 +01:00
Mazdak Farrokhzad
b6fc87c5b9 de-fatalize some errors 2019-12-31 04:33:34 +01:00
Mazdak Farrokhzad
2091062bf6 parser: call .struct_span_err directly 2019-12-31 04:33:34 +01:00
bors
bf2d145c62 Auto merge of #67032 - cjgillot:hirene, r=Zoxc 
Allocate HIR on an arena 4/4

This is the fourth and last PR in the series started by #66931, #66936 and #66942.

The last commits should compile on their own.
The difference with the previous PR is given by https://github.com/cjgillot/rust/compare/hirene-ty...hirene

A few more cleanups may be necessary, please tell me.

r? @eddyb like the other
cc @Zoxc
 2019-12-31 03:27:36 +00:00
Charles Lew
8f84d9e1de Inline and remove nfc_symbol_from method. 2019-12-31 09:37:45 +08:00
Charles Lew
7f9cc88f4a Add symbol normalization for proc_macro_server. 2019-12-31 09:37:45 +08:00
Camille GILLOT
ac8c0f4008 Enlarge smallvec. 2019-12-30 23:25:47 +01:00
Camille GILLOT
be6cb63fcc Reduce allocations. 2019-12-30 23:09:35 +01:00
Esteban Küber
261b606ddc review comments and fix rebase 2019-12-30 11:47:41 -08:00
bors
a9dd56ff9a Auto merge of #67707 - petrochenkov:crateren, r=Centril 
Rename some crates and modules in the frontend

Migrate from `syntax_*` naming scheme to `rustc_*`.
See https://github.com/rust-lang/rust/pull/65324#issuecomment-551103396 and several comments below.

Renamed crates:
`syntax_expand` -> `rustc_expand`
`syntax_pos` -> `rustc_span` ([motivation](https://github.com/rust-lang/rust/pull/65324#issuecomment-552173320))
`syntax_ext` -> `rustc_builtin_macros`

Also one module in resolve is renamed for consistency and to avoid tautology.

r? @Centril
 2019-12-30 18:06:54 +00:00
Vadim Petrochenkov
208c1bff0a Support -Z ui-testing=yes/no 2019-12-30 20:01:34 +03:00
Vadim Petrochenkov
7608f21b27 Rename rustc_resolve/resolve_imports.rs -> rustc_resolve/imports.rs 2019-12-30 19:18:18 +03:00
Vadim Petrochenkov
a2823e3af6 Rename libsyntax_ext and libsyntax_expand in code 2019-12-30 19:18:17 +03:00
Vadim Petrochenkov
b9a9c5b4fd Make things build again 2019-12-30 19:18:16 +03:00
Vadim Petrochenkov
b683de4ad7 Rename directories for some crates from syntax_x to rustc_x 
`syntax_expand` -> `rustc_expand`
`syntax_pos` -> `rustc_span`
`syntax_ext` -> `rustc_builtin_macros`
 2019-12-30 19:18:16 +03:00
bors
9d6f87184e Auto merge of #67474 - mark-i-m:simplify-borrow_check-4, r=matthewjasper 
Get rid of ErrorReportingCtx [5/N]

We can now use `MirBorrowckCtxt` instead :)

```
6 files changed, 122 insertions(+), 243 deletions(-)
```

This is a followup to (and thus blocked on) #67241.

r? @matthewjasper

cc @eddyb

I while try to do one more to get rid of the weird usage of `RegionInferenceCtx` in `borrow_check::diagnostics::{region_errors, region_naming}`. I think those uses can possibly also be refactored to use `MirBorrowckCtxt`...
 2019-12-30 14:47:26 +00:00
Mazdak Farrokhzad
63dc0e41db discriminant -> scrutinee 2019-12-30 14:28:40 +01:00
Mazdak Farrokhzad
f8d2cce0ce Blame user type in pat type error. 2019-12-30 14:28:40 +01:00
Mazdak Farrokhzad
f2c6a19c0d check_fn: simplify 2019-12-30 14:05:17 +01:00
Mazdak Farrokhzad
d7e2f3aee5 refactor and fix this-expression-has-type note 2019-12-30 14:05:17 +01:00
Mazdak Farrokhzad
f35840f77c Pass the span of <init> in let <pat> = <init>; 
when type checking `<pat>`.
 2019-12-30 13:50:20 +01:00
Mazdak Farrokhzad
6137ad49e4 move demand_eqtype_pat* to pat.rs 2019-12-30 13:50:20 +01:00
Mazdak Farrokhzad
e952377ddc MatchExpressionArmPattern -> Pattern 
Current name is too specific for incoming changes.
 2019-12-30 13:50:20 +01:00