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| author | Jack Wrenn <jack@wrenn.fyi> | 2022-07-21 17:43:25 +0000 |
|---|---|---|
| committer | Jack Wrenn <jack@wrenn.fyi> | 2022-07-27 17:33:57 +0000 |
| commit | 402644f72f61a28b3690a565be82d2178cd44800 (patch) | |
| tree | 159e657f5267720d4f08aafdbdb008cea36559c9 | |
| parent | 4a15157baddb266af94a58a0b9c88cf6f5c6540c (diff) | |
| download | rust-402644f72f61a28b3690a565be82d2178cd44800.tar.gz rust-402644f72f61a28b3690a565be82d2178cd44800.zip | |
safe transmute: test to ensure that trait is correctly feature-gated
ref: https://github.com/rust-lang/rust/pull/92268#discussion_r925265476
| -rw-r--r-- | src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.rs | 6 | ||||
| -rw-r--r-- | src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.stderr | 11 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.rs b/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.rs new file mode 100644 index 00000000000..12018f3161a --- /dev/null +++ b/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.rs @@ -0,0 +1,6 @@ +// The trait must not be available if its feature flag is absent. + +#![crate_type = "lib"] + +use std::mem::BikeshedIntrinsicFrom; +//~^ ERROR use of unstable library feature 'transmutability' [E0658] diff --git a/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.stderr b/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.stderr new file mode 100644 index 00000000000..4b51850634a --- /dev/null +++ b/src/test/ui/transmutability/malformed-program-gracefulness/feature-missing.stderr @@ -0,0 +1,11 @@ +error[E0658]: use of unstable library feature 'transmutability' + --> $DIR/feature-missing.rs:5:5 + | +LL | use std::mem::BikeshedIntrinsicFrom; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: add `#![feature(transmutability)]` to the crate attributes to enable + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0658`. |