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Use sort_by_cached_key where appropriate
A follow-up to https://github.com/rust-lang/rust/pull/48639, converting various slice sorting calls to `sort_by_cached_key` when the key functions are more expensive.
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Move deny(warnings) into rustbuild
This permits easier iteration without having to worry about warnings
being denied.
Fixes #49517
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More thread-safety changes
r? @michaelwoerister
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This permits easier iteration without having to worry about warnings
being denied.
Fixes #49517
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Holy cow that's a lot of `cfg(stage0)` removed and a lot of new stable language
features!
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This includes a submodule update to rustfmt
in order to allow a stable feature declaration.
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field only exist in the json if the flag is passed
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errors
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These no longer work now that Cargo changes the cwd of rustc while it's running.
Instead use an absolute path that's set by rustbuild.
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Fixes #41701.
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Bizarrely, librustc_passes, librustc_plugin, librustc_mir, and libsyntax
weren't getting their error explanations registered.
Resolves #35284.
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These are now no longer necessary with `-Z force-unstable-if-unmarked`
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`tokenstream::TokenTree::Sequence`.
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This removes the expand_derives function, and sprinkles
the functionality throughout the Invocation Collector,
Expander and Resolver.
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This commit updates the version number to 1.17.0 as we're not on that version of
the nightly compiler, and at the same time this updates src/stage0.txt to
bootstrap from freshly minted beta compiler and beta Cargo.
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Remove not(stage0) from deny(warnings)
Historically this was done to accommodate bugs in lints, but there hasn't been a
bug in a lint since this feature was added which the warnings affected. Let's
completely purge warnings from all our stages by denying warnings in all stages.
This will also assist in tracking down `stage0` code to be removed whenever
we're updating the bootstrap compiler.
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This commit introduces 128-bit integers. Stage 2 builds and produces a working compiler which
understands and supports 128-bit integers throughout.
The general strategy used is to have rustc_i128 module which provides aliases for iu128, equal to
iu64 in stage9 and iu128 later. Since nowhere in rustc we rely on large numbers being supported,
this strategy is good enough to get past the first bootstrap stages to end up with a fully working
128-bit capable compiler.
In order for this strategy to work, number of locations had to be changed to use associated
max_value/min_value instead of MAX/MIN constants as well as the min_value (or was it max_value?)
had to be changed to use xor instead of shift so both 64-bit and 128-bit based consteval works
(former not necessarily producing the right results in stage1).
This commit includes manual merge conflict resolution changes from a rebase by @est31.
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Historically this was done to accommodate bugs in lints, but there hasn't been a
bug in a lint since this feature was added which the warnings affected. Let's
completely purge warnings from all our stages by denying warnings in all stages.
This will also assist in tracking down `stage0` code to be removed whenever
we're updating the bootstrap compiler.
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Rename 'librustc_unicode' crate to 'libstd_unicode'.
Fixes https://github.com/rust-lang/rust/issues/26554.
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Now that we've got a beta build, let's use it!
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Fixes #26554.
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Show multiline spans in full if short enough
When dealing with multiline spans that span few lines, show the complete span instead of restricting to the first character of the first line.
For example, instead of:
```
% ./rustc file2.rs
error[E0277]: the trait bound `{integer}: std::ops::Add<()>` is not satisfied
--> file2.rs:13:9
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13 | foo(1 + bar(x,
| ^ trait `{integer}: std::ops::Add<()>` not satisfied
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```
show
```
% ./rustc file2.rs
error[E0277]: the trait bound `{integer}: std::ops::Add<()>` is not satisfied
--> file2.rs:13:9
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13 | foo(1 + bar(x,
| ________^ starting here...
14 | | y),
| |_____________^ ...ending here: trait `{integer}: std::ops::Add<()>` not satisfied
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```
The [proposal in internals](https://internals.rust-lang.org/t/proposal-for-multiline-span-comments/4242/6) outlines the reasoning behind this.
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When dealing with multiline spans that span few lines, show the complete
span instead of restricting to the first character of the first line.
For example, instead of:
```
% ./rustc foo.rs
error[E0277]: the trait bound `{integer}: std::ops::Add<()>` is not satisfied
--> foo.rs:13:9
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13 | foo(1 + bar(x,
| ^ trait `{integer}: std::ops::Add<()>` not satisfied
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```
show
```
% ./rustc foo.rs
error[E0277]: the trait bound `{integer}: std::ops::Add<()>` is not satisfied
--> foo.rs:13:9
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13 | foo(1 + bar(x,
| ________^ starting here...
14 | | y),
| |_____________^ ...ending here: trait `{integer}: std::ops::Add<()>` not satisfied
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```
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data_structures::SmallVec.
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Avoid more allocations when compiling html5ever
These three commits reduce the number of allocations performed when compiling html5ever from 13.2M to 10.8M, which speeds up compilation by about 2%.
r? @nrc
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This avoids 800,000 heap allocations when compiling html5ever. It
requires tweaking `SmallVector` a little.
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cc [`?` tracking issue](https://github.com/rust-lang/rust/issues/31436)
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