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https://doc.rust-lang.org/std/vec/struct.Vec.html#method.from_raw_parts
Summary
Currently the documentation of Vec::from_raw_parts claims that both:
- The size of T times the capacity (ie. ...
A-docs
needs-triage
SyxtonPrime
- Opened 4 minutes ago
- #139816
!-- [31mICE[0m: Rustc ./a.rs -Zcrate-attr=feature(generic_const_exprs) -ooutputfile -Zdump-mir-dir=dir thread rustc panicked at compiler/rustc_mir_build/src/builder/matches/match_pair.rs:49:26: expected ...
C-bug
F-generic_const_exprs
I-ICE
needs-triage
T-compiler
matthiaskrgr
- 1
- Opened 15 minutes ago
- #139815
!-- Thank you for finding an Internal Compiler Error! 🧊 If possible, try to provide a minimal verifiable example. You can read Rust Bug Minimization Patterns for how to create smaller examples. http://blog.pnkfx.org/blog/2019/11/18/rust-bug-minimization-patterns/ ...
C-bug
I-ICE
needs-triage
T-compiler
Zenithsiz
- Opened 41 minutes ago
- #139812
Looks like rust-analyzer built with --stage=1 will use the proc_macro server from the checkout, but the proc_macro
client from beta (stage 0). This works fine as long as we don t make any changes to the ...
A-bootstrap-stages
C-bug
needs-triage
T-bootstrap
T-rust-analyzer
m-ou-se
- 2
- Opened 55 minutes ago
- #139810
I tried this code (brief version):
trait Foo {
fn trait_obj( self) - dyn Foo {
self // E0277 here
}
}
I expected this code to compile with Rust 1.86, given the new upcasting support. ...
C-bug
needs-triage
gslancaster
- 2
- Opened 2 hours ago
- #139808
Similar to #139794, emitting to a file is not explained in --help. This is a little more complex to concisely explain
than --print, since the different emit kinds interact differently with an output path. ...
A-CLI
A-diagnostics
C-enhancement
T-compiler
clubby789
- Opened 2 hours ago
- #139805
!-- Thank you for filing a bug report! 🐛 Please provide a short summary of the bug, along with any information you feel relevant to replicating the bug.
Below is a lot of code because to replicate the ...
A-error-handling
C-bug
E-easy
needs-triage
O-unix
T-libs
krzysiek4321
- 2
- Opened 3 hours ago
- #139803
Summary
x setup crashes when ./build is a symlink to a non-existent directory.
Command used
x setup
Expected behaviour
x should create the directory linked to by the symlink.
Actual behaviour
: ...
A-python
C-bug
T-bootstrap
WaffleLapkin
- Opened 3 hours ago
- #139800
I recently learned from @Urgau that one can use something like rustc --print=cfg=file.txt to have rustc dump the output
into a file rather than to stdout. This is mentioned in the rustc book but should ...
A-CLI
A-diagnostics
A-print-requests
C-enhancement
T-compiler
RalfJung
- Opened 5 hours ago
- #139794
!-- Thank you for filing a bug report! 🐛 Please provide a short summary of the bug, along with any information you feel relevant to replicating the bug.
I tried this code:
use std::fmt::Display;
trait ...
A-type-system
C-bug
E-needs-bisection
I-unsound
T-compiler
T-types
rucsesec
- 2
- Opened 5 hours ago
- #139792
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