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Add extended error message for E0523

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Adds the extended error documentation for E0523 to indicate that the
error is no longer produced by the compiler.

Update the E0464 documentation to include example code that produces the
error.

Remove the error message E0523 from the compiler and replace it with an
internal compiler error.
This commit is contained in:
Matthew Kelly 2023-02-04 13:01:49 -05:00
parent 0c13c17250
commit 2bcd4e256a
9 changed files with 75 additions and 15 deletions
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2
compiler/rustc_error_codes/src/error_codes.rs
View file

@ -286,6 +286,7 @@ E0519: include_str!("./error_codes/E0519.md"),
E0520: include_str!("./error_codes/E0520.md"),
E0521: include_str!("./error_codes/E0521.md"),
E0522: include_str!("./error_codes/E0522.md"),
E0523: include_str!("./error_codes/E0523.md"),
E0524: include_str!("./error_codes/E0524.md"),
E0525: include_str!("./error_codes/E0525.md"),
E0527: include_str!("./error_codes/E0527.md"),
@ -622,7 +623,6 @@ E0793: include_str!("./error_codes/E0793.md"),
// E0488, // lifetime of variable does not enclose its declaration
// E0489, // type/lifetime parameter not in scope here
// E0490, // removed: unreachable
E0523, // two dependencies have same (crate-name, disambiguator) but different SVH
// E0526, // shuffle indices are not constant
// E0540, // multiple rustc_deprecated attributes
// E0548, // replaced with a generic attribute input check

15
compiler/rustc_error_codes/src/error_codes/E0464.md
View file

@ -1,6 +1,21 @@
The compiler found multiple library files with the requested crate name.
```compile_fail
// aux-build:crateresolve-1.rs
// aux-build:crateresolve-2.rs
// aux-build:crateresolve-3.rs
extern crate crateresolve;
//~^ ERROR multiple candidates for `rlib` dependency `crateresolve` found
fn main() {}
```
This error can occur in several different cases -- for example, when using
`extern crate` or passing `--extern` options without crate paths. It can also be
caused by caching issues with the build directory, in which case `cargo clean`
may help.
In the above example, there are three different library files, all of which
define the same crate name. Without providing a full path, there is no way for
the compiler to know which crate it should use.

25
compiler/rustc_error_codes/src/error_codes/E0523.md Normal file
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@ -0,0 +1,25 @@
#### Note: this error code is no longer emitted by the compiler.
The compiler found multiple library files with the requested crate name.
```compile_fail
// aux-build:crateresolve-1.rs
// aux-build:crateresolve-2.rs
// aux-build:crateresolve-3.rs
extern crate crateresolve;
//~^ ERROR multiple candidates for `rlib` dependency `crateresolve` found
fn main() {}
```
This error can occur in several different cases -- for example, when using
`extern crate` or passing `--extern` options without crate paths. It can also be
caused by caching issues with the build directory, in which case `cargo clean`
may help.
In the above example, there are three different library files, all of which
define the same crate name. Without providing a full path, there is no way for
the compiler to know which crate it should use.
*Note that E0523 has been merged into E0464.*