Rollup merge of #67525 - Mark-Simulacrum:fix-toolstate-master, r=Centril
Utilize rust-lang/rust commit hashes in toolstate
When moving the script out of CI configuration and into a proper script
we lost track of the current directory changing (and as such the
parameters of the script needing to be different now).
Rollup merge of #66877 - skinny121:const-eval-entry-points, r=oli-obk
Add simpler entry points to const eval for common usages.
I found the `tcx.const_eval` API to be complex/awkward to work with, because of the inherent complexity from all of the different situations it is called from. Though it mainly used in one of the following ways:
- Evaluates the value of a constant without any substitutions, e.g. evaluating a static, discriminant, etc.
- Evaluates the value of a resolved instance of a constant. this happens when evaluating unevaluated constants or normalising trait constants.
- Evaluates a promoted constant.
This PR adds three new functions `const_eval_mono`, `const_eval_resolve`, and `const_eval_promoted` to `TyCtxt`, which each cater to one of the three ways `tcx.const_eval`
is normally used.
When moving the script out of CI configuration and into a proper script
we lost track of the current directory changing (and as such the
parameters of the script needing to be different now).
bors [Sun, 22 Dec 2019 13:34:05 +0000 (13:34 +0000)]
Auto merge of #65939 - anp:incremental-rustfmt-rollout, r=Mark-Simulacrum
Enable incremental rustfmt adoption
Enables an incremental rollout of rustfmt usage within the compiler via a granular ignore configuration and automated enforcement. The decision to format the repository was approved in https://github.com/rust-lang/compiler-team/issues/80#issuecomment-491324079.
This PR includes:
* an `[ignore]` section to `rustfmt.toml` including most of the repository
* `./x.py` downloads rustfmt from a specific nightly (we do not pin to beta or stable as we need unstable features)
* an `./x.py fmt [--check]` command which runs cargo-fmt
* `./x.py fmt --check` runs during the same test step as `src/tools/tidy`, on master, but not on beta or stable as we don't want to depend on nightly rustfmt there.
* a commit to format `src/librustc_fs_util` as an initial target and to ensure enforcement is working from the start
bors [Sun, 22 Dec 2019 10:30:51 +0000 (10:30 +0000)]
Auto merge of #66931 - cjgillot:hirene-preamble, r=eddyb
Allocate HIR on an arena 1/4
This PR is the first in a series of 4, aiming at allocating the HIR on an arena, as a memory optimisation.
1. This first PR lays the groundwork and migrates some low-hanging fruits.
2. The second PR will migrate `hir::Expr`, `hir::Pat` and related.
3. The third PR will migrate `hir::Ty` and related.
4. The final PR will be dedicated to eventual cleanups.
In order to make the transition as gradual as possible, some lowering routines receive `Box`-allocated data and move it into the arena. This is a bit wasteful, but hopefully temporary.
Nonetheless, special care should be taken to avoid double arena allocations.
Rollup merge of #67480 - rossmacarthur:fix-41260-avoid-issue-0-part-2, r=Centril
Require issue = "none" over issue = "0" in unstable attributes
These changes make the use of `issue = "none"` required in unstable attributes throughout the compiler.
Notes:
- #66299 is now in beta so `issue = "none"` is accepted.
- The `tidy` tool now fails on `issue = "0"`.
- Tests that used `issue = "0"` were changed to use `issue = "none"`, except for _one_ that asserts `issue = "0"` can still be used.
- The compiler still allows `issue = "0"` because some submodules require it, this could be disallowed once these are updated.
Rollup merge of #67439 - Centril:clean-hair-slice, r=matthewjasper
Cleanup `lower_pattern_unadjusted` & Improve slice pat typeck
Following up on https://github.com/rust-lang/rust/pull/67318, in this PR, the HAIR lowering of patterns (`lower_pattern_unadjusted`) is cleaned up with a focus on slice patterns (in particular, some dead code is removed). Moreover, `check_pat_slice` is refactored some more.
Revamp how `// run-fail` tests work internally by having a separate `FailMode` that does not interfere with `PassMode`. In particular, `--pass check` will now have no effect on `// *-fail` tests. Moreover, new test annotations `// check-fail` (the default) and `// build-fail` are added. The latter is useful to distinguish post-monomorphization failures from pre-monomorphization failures as seen throughout the PR. Finally, ensure that non-`Ui` tests do not listen to `--pass check` such that the flag can be used with e.g. `./x.py test --pass check` directly.
Rollup merge of #67489 - Mark-Simulacrum:drop-petgraph, r=Centril
Drop petgraph dependency from bootstrap
It was essentially unused, likely leftover from a previous refactoring iteration. This should hopefully help reduce bootstrap build times a little, dropping petgraph, fixedbitset, and ordermap from the dependency set.
Rollup merge of #67469 - cuviper:no-default-rustc-dev, r=Mark-Simulacrum
Remove rustc-dev from the default nightly components
It was already filtered from other branches, but we only kept it in
nightly's default to ease the transition. Now that the separation of
rust-std/rustc-dev has reached the 1.40 release, it seems like a good
time for that transition to end.
Rollup merge of #67160 - matthewjasper:gat-generics, r=nikomatsakis
Make GATs less ICE-prone.
After this PR simple lifetime-generic associated types can now be used in a compiling program. There are two big limitations:
* #30472 has not been addressed in any way (see src/test/ui/generic-associated-types/iterable.rs)
* Using type- and const-generic associated types errors because bound types and constants aren't handled by trait solving.
* The errors are technically non-fatal, but they happen in a [part of the compiler](https://github.com/rust-lang/rust/blob/4abb0ad2731e9ac6fd5d64d4cf15b7c82e4b5a81/src/librustc_typeck/lib.rs#L298) that fairly aggressively stops compiling on errors.
15 commits in 626f0f40efd32e6b3dbade50cd53fdfaa08446ba..5a139f7e6d67fd8a416a3f19d8e01581d24c0333
2019-12-03 16:53:04 +0000 to 2019-12-10 20:17:50 +0000
- Bump cargo-platform version. (rust-lang/cargo#7693)
- Add a test for `cargo locate-project` (rust-lang/cargo#7690)
- Emit error on [target.'cfg(debug_assertions)'.dependencies] and similar (rust-lang/cargo#7660)
- Update the layout of `Cargo Commands` in doc (rust-lang/cargo#7687)
- Features and dependencies can't have the same name (rust-lang/cargo#7682)
- Fix some typos in doc (rust-lang/cargo#7672)
- Add test for `NAME` environment variable when `cargo new` (rust-lang/cargo#7667)
- Add test for `GIT_COMMITTER_EMAIL` when `cargo new` (rust-lang/cargo#7666)
- document support for Bitbucket Pipelines badges (rust-lang/cargo#7663)
- Add cargo-vendor to the list of cargo commands in doc (rust-lang/cargo#7659)
- Fix typo in section 'Caching the Cargo home in CI' (rust-lang/cargo#7661)
- Docs: Add an appendix on git authentication. (rust-lang/cargo#7658)
- Remove --offline empty index error. (rust-lang/cargo#7655)
- Change the link destination of cargo book contribution (rust-lang/cargo#7657)
- Add a --offline hint. (rust-lang/cargo#7654)
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