diff options
| author | Mark Rousskov <mark.simulacrum@gmail.com> | 2019-07-23 12:51:18 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-07-23 12:51:18 -0400 |
| commit | f11ffd3a6a2b8dfef45e58dc6c6400f135fa6c35 (patch) | |
| tree | 782cc89cde897ec20e97da5b4f857971e7bdf4c5 /src/test | |
| parent | b2155dd7477c554259f04fabef178b0b2d00ccd8 (diff) | |
| parent | 7e612c19bee19b41796e8a4f4fe8a41714d7b3c7 (diff) | |
Rollup merge of #62869 - matklad:feature-gate, r=Mark-Simulacrum
add rustc_private as a proper language feature gate At the moment, `rustc_private` as a (library) feature exists by accident: `char::is_xid_start`, `char::is_xid_continue` methods in libcore define it. cc https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/How.20to.20declare.20new.20langauge.20feature.3F I don't know if this is at all reasonable, but at least tests seem to pass locally. That probably means that we can remove/rename to something more resonable the feature in libcore in the next release?
Diffstat (limited to 'src/test')
| -rw-r--r-- | src/test/ui/feature-gate/rustc-private.rs | 5 | ||||
| -rw-r--r-- | src/test/ui/feature-gate/rustc-private.stderr | 12 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/feature-gate/rustc-private.rs b/src/test/ui/feature-gate/rustc-private.rs new file mode 100644 index 00000000000..7b8944bb0a0 --- /dev/null +++ b/src/test/ui/feature-gate/rustc-private.rs @@ -0,0 +1,5 @@ +// gate-test-rustc_private + +extern crate libc; //~ ERROR use of unstable library feature 'rustc_private' + +fn main() {} diff --git a/src/test/ui/feature-gate/rustc-private.stderr b/src/test/ui/feature-gate/rustc-private.stderr new file mode 100644 index 00000000000..be320718145 --- /dev/null +++ b/src/test/ui/feature-gate/rustc-private.stderr @@ -0,0 +1,12 @@ +error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? + --> $DIR/rustc-private.rs:3:1 + | +LL | extern crate libc; + | ^^^^^^^^^^^^^^^^^^ + | + = note: for more information, see https://github.com/rust-lang/rust/issues/27812 + = help: add `#![feature(rustc_private)]` to the crate attributes to enable + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0658`. |