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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/generator/issue-68112.stderr | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/generator/issue-68112.stderr')
-rw-r--r-- | src/test/ui/generator/issue-68112.stderr | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/test/ui/generator/issue-68112.stderr b/src/test/ui/generator/issue-68112.stderr new file mode 100644 index 000000000..1d5b97e98 --- /dev/null +++ b/src/test/ui/generator/issue-68112.stderr @@ -0,0 +1,62 @@ +error: generator cannot be sent between threads safely + --> $DIR/issue-68112.rs:40:5 + | +LL | require_send(send_gen); + | ^^^^^^^^^^^^ generator is not `Send` + | + = help: the trait `Sync` is not implemented for `RefCell<i32>` +note: generator is not `Send` as this value is used across a yield + --> $DIR/issue-68112.rs:36:9 + | +LL | let _non_send_gen = make_non_send_generator(); + | ------------- has type `impl Generator<Return = Arc<RefCell<i32>>>` which is not `Send` +LL | +LL | yield; + | ^^^^^ yield occurs here, with `_non_send_gen` maybe used later +... +LL | }; + | - `_non_send_gen` is later dropped here +note: required by a bound in `require_send` + --> $DIR/issue-68112.rs:22:25 + | +LL | fn require_send(_: impl Send) {} + | ^^^^ required by this bound in `require_send` + +error[E0277]: `RefCell<i32>` cannot be shared between threads safely + --> $DIR/issue-68112.rs:63:5 + | +LL | require_send(send_gen); + | ^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely + | + = help: the trait `Sync` is not implemented for `RefCell<i32>` + = note: required because of the requirements on the impl of `Send` for `Arc<RefCell<i32>>` +note: required because it's used within this generator + --> $DIR/issue-68112.rs:48:5 + | +LL | || { + | ^^ +note: required because it appears within the type `impl Generator<Return = Arc<RefCell<i32>>>` + --> $DIR/issue-68112.rs:45:30 + | +LL | pub fn make_gen2<T>(t: T) -> impl Generator<Return = T> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: required because it appears within the type `impl Generator<Return = Arc<RefCell<i32>>>` + --> $DIR/issue-68112.rs:53:34 + | +LL | fn make_non_send_generator2() -> impl Generator<Return = Arc<RefCell<i32>>> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: required because it captures the following types: `impl Generator<Return = Arc<RefCell<i32>>>`, `()` +note: required because it's used within this generator + --> $DIR/issue-68112.rs:59:20 + | +LL | let send_gen = || { + | ^^ +note: required by a bound in `require_send` + --> $DIR/issue-68112.rs:22:25 + | +LL | fn require_send(_: impl Send) {} + | ^^^^ required by this bound in `require_send` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0277`. |