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Added the --temps-dir option
Fixes #10971.
The new `--temps-dir` option puts intermediate files in a user-specified directory. This provides a fix for the issue where parallel invocations of rustc would overwrite each other's intermediate files.
No files are kept in the intermediate directory unless `-C save-temps=yes`.
If additional files are specifically requested using `--emit asm,llvm-bc,llvm-ir,obj,metadata,link,dep-info,mir`, these will be put in the output directory rather than the intermediate directory.
This is a backward-compatible change, i.e. if `--temps-dir` is not specified, the behavior is the same as before.
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This usually describes either an error in the compiler itself or some
sort of IO error. Either way, we should report it to the user rather
than just saying "crate not found".
This only gives an error if the crate couldn't be loaded at all - if the
compiler finds another .rlib or .rmeta file which was valid, it will
continue to compile the crate.
Example output:
```
error[E0785]: found invalid metadata files for crate `foo`
--> bar.rs:3:24
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3 | println!("{}", foo::FOO_11_49[0]);
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= warning: failed to parse rlib '/home/joshua/test-rustdoc/libfoo.rlib': Invalid archive extended name offset
```
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Fix rare ICE during typeck in rustdoc scrape_examples
While testing the `--scrape-examples` extension on the [wasmtime](https://github.com/bytecodealliance/wasmtime) repository, I found some additional edge cases. Specifically, when asking to typecheck a body containing a function call, I would sometimes get an ICE if:
* The body doesn't exist
* The function's HIR node didn't have a type
This adds checks for both of those conditions.
(Also this updates a test to check that the sources of a reverse-dependency are correctly generated and linked.)
r? `@jyn514`
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Repace use of `static_nobundle` with `native_link_modifiers` within Rust codebase
This fixes warnings when building Rust and running tests:
```
warning: library kind `static-nobundle` has been superseded by specifying `-bundle` on library kind `static`. Try `static:-bundle`
warning: `rustc_llvm` (lib) generated 2 warnings (1 duplicate)
```
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This fixes warning when building Rust and running tests:
```
warning: library kind `static-nobundle` has been superseded by specifying `-bundle` on library kind `static`. Try `static:-bundle`
warning: `rustc_llvm` (lib) generated 2 warnings (1 duplicate)
```
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Scrape code examples from examples/ directory for Rustdoc
Adds support for the functionality described in https://github.com/rust-lang/rfcs/pull/3123
Matching changes to Cargo are here: https://github.com/rust-lang/cargo/pull/9525
Live demo here: https://willcrichton.net/example-analyzer/warp/trait.Filter.html#method.and
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Refactor fingerprint reconstruction
This PR replaces can_reconstruct_query_key with fingerprint_style, which returns the style of the fingerprint for that query. This allows us to avoid trying to extract a DefId (or equivalent) from keys which *are* reconstructible because they're () but not as DefIds.
This is done with the goal of fixing -Zdump-dep-graph, which seems to have broken a while ago (I didn't try to bisect). Currently even on a `fn main() {}` file it'll ICE (you need to also pass -Zquery-dep-graph for it to work at all), and this patch indirectly fixes the cause of that ICE. This also adds a test for it continuing to work.
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Fix failing test
Add missing backslash
Fix padding issue with horizontal scrollbar
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Implement `#[link_ordinal(n)]`
Allows the use of `#[link_ordinal(n)]` with `#[link(kind = "raw-dylib")]`, allowing Rust to link against DLLs that export symbols by ordinal rather than by name. As long as the ordinal matches, the name of the function in Rust is not required to match the name of the corresponding function in the exporting DLL.
Part of #58713.
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Move test to rustdoc-ui
Fix test writing to wrong directory
Formatting
Fix test
Add FIXME
Remove raw multiline strings
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Add tests for module-path remapping and scrape example options
Find all crates with a given name
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On MinGW toolchains the various features (such as function sections)
necessary to eliminate dead function references are disabled due to
various bugs. This means that the windows sockets library will most
likely remain linked to any mingw toolchain built program that also
utilizes libstd.
That said, I made an attempt to also enable `function-sections` and
`--gc-sections` during my experiments, but the symbol references
remained, sadly.
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"raw-dylib")].
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r=petrochenkov
Fix handling of +whole-archive native link modifier.
This PR fixes a bug in `add_upstream_native_libraries` that led to the `+whole-archive` modifier being ignored when linking in native libs.
~~Note that the PR does not address the situation when `+whole-archive` is combined with `+bundle`.~~
`@wesleywiser's` commit adds validation code that turns combining `+whole-archive` with `+bundle` into an error.
Fixes https://github.com/rust-lang/rust/issues/88085.
r? `@petrochenkov`
cc `@wesleywiser` `@gcoakes`
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Add regression test for a spurious import
This PR adds a test that verifies that the bug described in the linked issue does not creep back into the code. In essence it checks that compiling some specific code (that uses 128 bit multiplication) with a specific set of compiler options does not lead to a spurious import of a panic function.
I noticed that other wasm tests use `# only-wasm32-bare` in their `Makefile`. This will skip the test for me. I did not find out how to run this test locally. Maybe someone can help.
closes #78744
r? `@jyn514`
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Previously, the result of `predicates_of` for a foreign trait
would depend on the *current* state of the corresponding source
file in the foreign crate. This could lead to ICEs during incremental
compilation, since the on-disk contents of the upstream source file
could potentially change without the upstream crate being recompiled.
Additionally, this ensure that that the metadata we produce for a crate
only depends on its *compiled* upstream dependencies (e.g an rlib or
rmeta file), *not* the current on-disk state of the upstream crate
source files.
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This updates tests to reflect that `force-warn` is now stable.
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r=oli-obk""
This reverts commit 8e11199a153218c13a419df37a9bb675181cccb7.
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Revert "Auto merge of #83417 - erikdesjardins:enableremovezsts, r=oli-obk"
This reverts commit 8007b506ac5da629f223b755f5a5391edd5f6d01, reversing changes made to e55c13e1099b78b1a485202fabc9c1b10b1f1d15.
Fixes #88043
r? `@oli-obk`
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This reverts commit 8007b506ac5da629f223b755f5a5391edd5f6d01, reversing
changes made to e55c13e1099b78b1a485202fabc9c1b10b1f1d15.
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Fixes #85019
A `SourceFile` created during compilation may have a relative
path (e.g. if rustc itself is invoked with a relative path).
When we write out crate metadata, we convert all relative paths
to absolute paths using the current working direction.
However, the working directory is not included in the crate hash.
This means that the crate metadata can change while the crate
hash remains the same. Among other problems, this can cause a
fingerprint mismatch ICE, since incremental compilation uses
the crate metadata hash to determine if a foreign query is green.
This commit moves the field holding the working directory from
`Session` to `Options`, including it as part of the crate hash.
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Effectively reverts commit 6960bc9696b05b15d8d89ece2fef14e6e62a43fc.
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Since RFC 3052 soft deprecated the authors field anyway, hiding it from
crates.io, docs.rs, and making Cargo not add it by default, and it is
not generally up to date/useful information, we should remove it from
crates in this repo.
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i686-pc-windows-msvc.
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Ref #73921
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The PATH has no material effect on the emitted artifact, and setting
the patch via `-o` or `--out-dir` does not affect the hash.
Closes https://github.com/rust-lang/rust/issues/86044
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ignore test if rust-lld not found
create ld -> rust-lld symlink at build time instead of run time
for testing in ci
copy instead of symlinking
remove linux check
test for linker, suggestions from bjorn3
fix overly restrictive lld matcher
use -Zgcc-ld flag instead of -Clinker-flavor
refactor code adding lld to gcc path
revert ci changes
suggestions from petrochenkov
rename gcc_ld to gcc-ld in dirs
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"raw-dylib")].
This does not yet support #[link_name] attributes on functions, the #[link_ordinal]
attribute, #[link(kind = "raw-dylib")] on extern blocks in bin crates, or
stdcall functions on 32-bit x86.
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Support for force-warns
Implements https://github.com/rust-lang/rust/issues/85512.
This PR adds a new command line option `force-warns` which will force the provided lints to warn even if they are allowed by some other mechanism such as `#![allow(warnings)]`.
Some remaining issues:
* https://github.com/rust-lang/rust/issues/85512 mentions that `force-warns` should also be capable of taking lint groups instead of individual lints. This is not implemented.
* If a lint has a higher warning level than `warn`, this will cause that lint to warn instead. We probably want to allow the lint to error if it is set to a higher lint and is not allowed somewhere else.
* One test is currently ignored because it's not working - when a deny-by-default lint is allowed, it does not currently warn under `force-warns`. I'm not sure why, but I wanted to get this in before the weekend.
r? `@nikomatsakis`
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