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Rollup merge of #114166 - Enselic:libc-unavailable, r=Nilstrieb

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Add regression test for resolving `--extern libc=test.rlib`

Closes #26043

I could not find a test for this particular use case. The closest I got was [`tests/ui/imports/issue-37887.rs`](https://github.com/rust-lang/rust/blob/master/tests/ui/imports/issue-37887.rs), but that is a regression test for a different use case (see https://github.com/rust-lang/rust/issues/37887).
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Nilstrieb 2023-08-02 13:46:54 +02:00 committed by GitHub
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14
tests/ui/imports/resolve-other-libc.rs Normal file
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// Regression test for https://github.com/rust-lang/rust/issues/26043
// compile-flags: --extern libc=test.rlib
// The error shall NOT be something similar to the following, because it
// indicates that `libc` was wrongly resolved to `libc` shipped with the
// compiler:
//
// error[E0658]: use of unstable library feature 'rustc_private': \
// this crate is being loaded from the sysroot
//
extern crate libc; //~ ERROR: extern location for libc does not exist: test.rlib
fn main() {}

8
tests/ui/imports/resolve-other-libc.stderr Normal file
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error: extern location for libc does not exist: test.rlib
--> $DIR/resolve-other-libc.rs:12:1
|
LL | extern crate libc;
| ^^^^^^^^^^^^^^^^^^
error: aborting due to previous error