1e367f9663
In the test `tests/ui-fulldeps/rustc_public/check_allocation.rs` there
is a check for constant allocations of local variables of this function:
fn other_consts() {{
let _max_u128 = u128::MAX;
let _min_i128 = i128::MIN;
let _max_i8 = i8::MAX;
let _char = 'x';
let _false = false;
let _true = true;
let _ptr = &BAR;
let _null_ptr: *const u8 = NULL;
let _tuple = TUPLE;
let _char_id = const {{ type_id::<char>() }};
let _bool_id = const {{ type_id::<bool>() }};
}}
The current test only finds 10 out of 11 allocations. The constant
allocation for
let _ptr = &BAR;
is not checked, because the `SingleUseConsts` MIR pass does not optimize
away that assignment. Add code to also collect constant allocation from
assignment rvalues. Not only does this change make sense on its own, it
also makes the test pass both with and without the `SingleUseConsts`
pass.
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| compiler | ||
| library | ||
| LICENSES | ||
| src | ||
| tests | ||
| .clang-format | ||
| .editorconfig | ||
| .git-blame-ignore-revs | ||
| .gitattributes | ||
| .gitignore | ||
| .gitmodules | ||
| .ignore | ||
| .mailmap | ||
| bootstrap.example.toml | ||
| Cargo.lock | ||
| Cargo.toml | ||
| CODE_OF_CONDUCT.md | ||
| configure | ||
| CONTRIBUTING.md | ||
| COPYRIGHT | ||
| INSTALL.md | ||
| LICENSE-APACHE | ||
| license-metadata.json | ||
| LICENSE-MIT | ||
| package.json | ||
| README.md | ||
| RELEASES.md | ||
| REUSE.toml | ||
| rust-bors.toml | ||
| rustfmt.toml | ||
| triagebot.toml | ||
| typos.toml | ||
| x | ||
| x.ps1 | ||
| x.py | ||
| yarn.lock | ||
This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.
Why Rust?
-
Performance: Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrated with other languages.
-
Reliability: Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.
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Read "Installation" from The Book.
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