Rollup merge of #116868 - estebank:suggestion, r=petrochenkov
Tweak suggestion span for outer attr and point at item following invalid inner attr
After:
```
error: `unix_sigpipe` attribute cannot be used at crate level
--> $DIR/unix_sigpipe-crate.rs:2:1
|
LL | #![unix_sigpipe = "inherit"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL |
LL | fn main() {}
| ------------ the inner attribute doesn't annotate this function
|
help: perhaps you meant to use an outer attribute
|
LL - #![unix_sigpipe = "inherit"]
LL + #[unix_sigpipe = "inherit"]
|
```
Before:
```
error: `unix_sigpipe` attribute cannot be used at crate level
--> $DIR/unix_sigpipe-crate.rs:2:1
|
LL | #![unix_sigpipe = "inherit"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: perhaps you meant to use an outer attribute
|
LL | #[unix_sigpipe = "inherit"]
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
```
CC #89566.
This commit is contained in:
Matthias Krüger
GitHub
commit
a69fb480a4
@ -393,6 +393,9 @@ passes_invalid_attr_at_crate_level =
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`{$name}` attribute cannot be used at crate level
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.suggestion = perhaps you meant to use an outer attribute
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passes_invalid_attr_at_crate_level_item =
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the inner attribute doesn't annotate this {$kind}
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passes_invalid_deprecation_version =
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invalid deprecation version found
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.label = invalid deprecation version
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@ -2534,10 +2534,30 @@ fn check_invalid_crate_level_attr(tcx: TyCtxt<'_>, attrs: &[Attribute]) {
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if attr.style == AttrStyle::Inner {
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for attr_to_check in ATTRS_TO_CHECK {
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if attr.has_name(*attr_to_check) {
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let item = tcx
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.hir()
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.items()
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.map(|id| tcx.hir().item(id))
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.find(|item| !item.span.is_dummy()) // Skip prelude `use`s
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.map(|item| errors::ItemFollowingInnerAttr {
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span: item.ident.span,
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kind: item.kind.descr(),
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});
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tcx.sess.emit_err(errors::InvalidAttrAtCrateLevel {
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span: attr.span,
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snippet: tcx.sess.source_map().span_to_snippet(attr.span).ok(),
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sugg_span: tcx
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.sess
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.source_map()
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.span_to_snippet(attr.span)
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.ok()
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.filter(|src| src.starts_with("#!["))
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.map(|_| {
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attr.span
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.with_lo(attr.span.lo() + BytePos(1))
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.with_hi(attr.span.lo() + BytePos(2))
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}),
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name: *attr_to_check,
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item,
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});
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}
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}
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@ -856,8 +856,15 @@ pub struct UnknownLangItem {
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pub struct InvalidAttrAtCrateLevel {
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pub span: Span,
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pub snippet: Option<String>,
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pub sugg_span: Option<Span>,
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pub name: Symbol,
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pub item: Option<ItemFollowingInnerAttr>,
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}
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#[derive(Clone, Copy)]
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pub struct ItemFollowingInnerAttr {
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pub span: Span,
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pub kind: &'static str,
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}
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impl IntoDiagnostic<'_> for InvalidAttrAtCrateLevel {
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@ -871,15 +878,18 @@ fn into_diagnostic(
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diag.set_arg("name", self.name);
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// Only emit an error with a suggestion if we can create a string out
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// of the attribute span
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if let Some(src) = self.snippet {
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let replacement = src.replace("#!", "#");
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if let Some(span) = self.sugg_span {
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diag.span_suggestion_verbose(
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self.span,
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span,
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fluent::passes_suggestion,
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replacement,
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String::new(),
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rustc_errors::Applicability::MachineApplicable,
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);
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}
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if let Some(item) = self.item {
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diag.set_arg("kind", item.kind);
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diag.span_label(item.span, fluent::passes_invalid_attr_at_crate_level_item);
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}
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diag
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}
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}
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@ -3,11 +3,15 @@ error: `unix_sigpipe` attribute cannot be used at crate level
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|
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LL | #![unix_sigpipe = "inherit"]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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LL |
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LL | fn main() {}
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| ---- the inner attribute doesn't annotate this function
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|
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help: perhaps you meant to use an outer attribute
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|
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LL | #[unix_sigpipe = "inherit"]
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
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LL - #![unix_sigpipe = "inherit"]
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LL + #[unix_sigpipe = "inherit"]
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|
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error: aborting due to previous error
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@ -43,55 +43,75 @@ error: `derive` attribute cannot be used at crate level
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|
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LL | #![derive(Copy)]
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| ^^^^^^^^^^^^^^^^
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...
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LL | fn main() {}
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| ---- the inner attribute doesn't annotate this function
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|
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help: perhaps you meant to use an outer attribute
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|
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LL | #[derive(Copy)]
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| ~~~~~~~~~~~~~~~
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LL - #![derive(Copy)]
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LL + #[derive(Copy)]
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|
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error: `test` attribute cannot be used at crate level
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--> $DIR/issue-36617.rs:4:1
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|
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LL | #![test]
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| ^^^^^^^^
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...
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LL | fn main() {}
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| ---- the inner attribute doesn't annotate this function
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|
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help: perhaps you meant to use an outer attribute
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|
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LL | #[test]
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| ~~~~~~~
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LL - #![test]
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LL + #[test]
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|
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error: `test_case` attribute cannot be used at crate level
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--> $DIR/issue-36617.rs:7:1
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|
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LL | #![test_case]
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| ^^^^^^^^^^^^^
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...
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LL | fn main() {}
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| ---- the inner attribute doesn't annotate this function
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|
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help: perhaps you meant to use an outer attribute
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|
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LL | #[test_case]
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| ~~~~~~~~~~~~
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LL - #![test_case]
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LL + #[test_case]
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|
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error: `bench` attribute cannot be used at crate level
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--> $DIR/issue-36617.rs:10:1
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|
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LL | #![bench]
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| ^^^^^^^^^
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...
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LL | fn main() {}
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| ---- the inner attribute doesn't annotate this function
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|
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help: perhaps you meant to use an outer attribute
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|
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LL | #[bench]
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| ~~~~~~~~
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LL - #![bench]
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LL + #[bench]
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|
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error: `global_allocator` attribute cannot be used at crate level
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--> $DIR/issue-36617.rs:13:1
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|
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LL | #![global_allocator]
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| ^^^^^^^^^^^^^^^^^^^^
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...
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LL | fn main() {}
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| ---- the inner attribute doesn't annotate this function
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|
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help: perhaps you meant to use an outer attribute
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|
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LL | #[global_allocator]
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| ~~~~~~~~~~~~~~~~~~~
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LL - #![global_allocator]
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LL + #[global_allocator]
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|
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error: aborting due to 10 previous errors
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@ -11,10 +11,14 @@ error: `bench` attribute cannot be used at crate level
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|
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LL | #![bench = "4100"]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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...
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LL | fn main() {}
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| ---- the inner attribute doesn't annotate this function
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|
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help: perhaps you meant to use an outer attribute
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|
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LL | #[bench = "4100"]
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LL - #![bench = "4100"]
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LL + #[bench = "4100"]
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|
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error: aborting due to 2 previous errors
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@ -32,6 +32,12 @@
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//~^ ERROR attribute should be applied to function or closure
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mod inline {
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//~^ NOTE not a function or closure
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//~| NOTE the inner attribute doesn't annotate this module
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//~| NOTE the inner attribute doesn't annotate this module
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//~| NOTE the inner attribute doesn't annotate this module
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//~| NOTE the inner attribute doesn't annotate this module
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//~| NOTE the inner attribute doesn't annotate this module
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//~| NOTE the inner attribute doesn't annotate this module
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mod inner { #![inline] }
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//~^ ERROR attribute should be applied to function or closure
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@ -7,7 +7,7 @@ LL | #![rustc_main]
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= help: add `#![feature(rustc_attrs)]` to the crate attributes to enable
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error: attribute must be of the form `#[inline]` or `#[inline(always|never)]`
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:40:5
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:46:5
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|
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LL | #[inline = "2100"] fn f() { }
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| ^^^^^^^^^^^^^^^^^^
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@ -17,31 +17,31 @@ LL | #[inline = "2100"] fn f() { }
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= note: `#[deny(ill_formed_attribute_input)]` on by default
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error: `start` attribute can only be used on functions
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:119:1
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:125:1
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|
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LL | #[start]
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| ^^^^^^^^
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error: `start` attribute can only be used on functions
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:122:17
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:128:17
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|
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LL | mod inner { #![start] }
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| ^^^^^^^^^
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error: `start` attribute can only be used on functions
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:127:5
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:133:5
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|
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LL | #[start] struct S;
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| ^^^^^^^^
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error: `start` attribute can only be used on functions
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:130:5
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:136:5
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|
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LL | #[start] type T = S;
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| ^^^^^^^^
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error: `start` attribute can only be used on functions
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:133:5
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:139:5
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|
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LL | #[start] impl S { }
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| ^^^^^^^^
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@ -55,14 +55,14 @@ LL |
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LL | / mod inline {
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LL | |
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LL | |
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LL | | mod inner { #![inline] }
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LL | |
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... |
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LL | |
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LL | | }
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| |_- not a function or closure
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error: attribute should be applied to an `extern crate` item
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:59:1
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:65:1
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|
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LL | #[no_link]
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| ^^^^^^^^^^
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@ -77,7 +77,7 @@ LL | | }
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| |_- not an `extern crate` item
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error: attribute should be applied to a free function, impl method or static
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:85:1
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:91:1
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|
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LL | #[export_name = "2200"]
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| ^^^^^^^^^^^^^^^^^^^^^^^
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@ -92,7 +92,7 @@ LL | | }
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| |_- not a free function, impl method or static
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error[E0517]: attribute should be applied to a struct, enum, or union
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:137:8
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--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:143:8
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|
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LL | #[repr(C)]
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| ^
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@ -129,10 +129,14 @@ error: `macro_export` attribute cannot be used at crate level
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|
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LL | #![macro_export]
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| ^^^^^^^^^^^^^^^^
|
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...
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LL | mod inline {
|
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| ------ the inner attribute doesn't annotate this module
|
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|
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help: perhaps you meant to use an outer attribute
|
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|
|
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LL | #[macro_export]
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LL - #![macro_export]
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LL + #[macro_export]
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|
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|
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error: `rustc_main` attribute cannot be used at crate level
|
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@ -140,21 +144,29 @@ error: `rustc_main` attribute cannot be used at crate level
|
||||
|
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LL | #![rustc_main]
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| ^^^^^^^^^^^^^^
|
||||
...
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LL | mod inline {
|
||||
| ------ the inner attribute doesn't annotate this module
|
||||
|
|
||||
help: perhaps you meant to use an outer attribute
|
||||
|
|
||||
LL | #[rustc_main]
|
||||
| ~~~~~~~~~~~~~
|
||||
LL - #![rustc_main]
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LL + #[rustc_main]
|
||||
|
|
||||
|
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error: `start` attribute cannot be used at crate level
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:16:1
|
||||
|
|
||||
LL | #![start]
|
||||
| ^^^^^^^^^
|
||||
...
|
||||
LL | mod inline {
|
||||
| ------ the inner attribute doesn't annotate this module
|
||||
|
|
||||
help: perhaps you meant to use an outer attribute
|
||||
|
|
||||
LL | #[start]
|
||||
LL - #![start]
|
||||
LL + #[start]
|
||||
|
|
||||
|
||||
error: `repr` attribute cannot be used at crate level
|
||||
@ -162,10 +174,14 @@ error: `repr` attribute cannot be used at crate level
|
||||
|
|
||||
LL | #![repr()]
|
||||
| ^^^^^^^^^^
|
||||
...
|
||||
LL | mod inline {
|
||||
| ------ the inner attribute doesn't annotate this module
|
||||
|
|
||||
help: perhaps you meant to use an outer attribute
|
||||
|
|
||||
LL | #[repr()]
|
||||
LL - #![repr()]
|
||||
LL + #[repr()]
|
||||
|
|
||||
|
||||
error: `path` attribute cannot be used at crate level
|
||||
@ -173,10 +189,14 @@ error: `path` attribute cannot be used at crate level
|
||||
|
|
||||
LL | #![path = "3800"]
|
||||
| ^^^^^^^^^^^^^^^^^
|
||||
...
|
||||
LL | mod inline {
|
||||
| ------ the inner attribute doesn't annotate this module
|
||||
|
|
||||
help: perhaps you meant to use an outer attribute
|
||||
|
|
||||
LL | #[path = "3800"]
|
||||
LL - #![path = "3800"]
|
||||
LL + #[path = "3800"]
|
||||
|
|
||||
|
||||
error: `automatically_derived` attribute cannot be used at crate level
|
||||
@ -184,122 +204,126 @@ error: `automatically_derived` attribute cannot be used at crate level
|
||||
|
|
||||
LL | #![automatically_derived]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
...
|
||||
LL | mod inline {
|
||||
| ------ the inner attribute doesn't annotate this module
|
||||
|
|
||||
help: perhaps you meant to use an outer attribute
|
||||
|
|
||||
LL | #[automatically_derived]
|
||||
LL - #![automatically_derived]
|
||||
LL + #[automatically_derived]
|
||||
|
|
||||
|
||||
error[E0518]: attribute should be applied to function or closure
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:36:17
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:42:17
|
||||
|
|
||||
LL | mod inner { #![inline] }
|
||||
| ------------^^^^^^^^^^-- not a function or closure
|
||||
|
||||
error[E0518]: attribute should be applied to function or closure
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:46:5
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:52:5
|
||||
|
|
||||
LL | #[inline] struct S;
|
||||
| ^^^^^^^^^ --------- not a function or closure
|
||||
|
||||
error[E0518]: attribute should be applied to function or closure
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:50:5
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:56:5
|
||||
|
|
||||
LL | #[inline] type T = S;
|
||||
| ^^^^^^^^^ ----------- not a function or closure
|
||||
|
||||
error[E0518]: attribute should be applied to function or closure
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:54:5
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:60:5
|
||||
|
|
||||
LL | #[inline] impl S { }
|
||||
| ^^^^^^^^^ ---------- not a function or closure
|
||||
|
||||
error: attribute should be applied to an `extern crate` item
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:64:17
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:70:17
|
||||
|
|
||||
LL | mod inner { #![no_link] }
|
||||
| ------------^^^^^^^^^^^-- not an `extern crate` item
|
||||
|
||||
error: attribute should be applied to an `extern crate` item
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:68:5
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:74:5
|
||||
|
|
||||
LL | #[no_link] fn f() { }
|
||||
| ^^^^^^^^^^ ---------- not an `extern crate` item
|
||||
|
||||
error: attribute should be applied to an `extern crate` item
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:72:5
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:78:5
|
||||
|
|
||||
LL | #[no_link] struct S;
|
||||
| ^^^^^^^^^^ --------- not an `extern crate` item
|
||||
|
||||
error: attribute should be applied to an `extern crate` item
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:76:5
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:82:5
|
||||
|
|
||||
LL | #[no_link]type T = S;
|
||||
| ^^^^^^^^^^----------- not an `extern crate` item
|
||||
|
||||
error: attribute should be applied to an `extern crate` item
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:80:5
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:86:5
|
||||
|
|
||||
LL | #[no_link] impl S { }
|
||||
| ^^^^^^^^^^ ---------- not an `extern crate` item
|
||||
|
||||
error: attribute should be applied to a free function, impl method or static
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:90:17
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:96:17
|
||||
|
|
||||
LL | mod inner { #![export_name="2200"] }
|
||||
| ------------^^^^^^^^^^^^^^^^^^^^^^-- not a free function, impl method or static
|
||||
|
||||
error: attribute should be applied to a free function, impl method or static
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:96:5
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:102:5
|
||||
|
|
||||
LL | #[export_name = "2200"] struct S;
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^ --------- not a free function, impl method or static
|
||||
|
||||
error: attribute should be applied to a free function, impl method or static
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:100:5
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:106:5
|
||||
|
|
||||
LL | #[export_name = "2200"] type T = S;
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^ ----------- not a free function, impl method or static
|
||||
|
||||
error: attribute should be applied to a free function, impl method or static
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:104:5
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:110:5
|
||||
|
|
||||
LL | #[export_name = "2200"] impl S { }
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^ ---------- not a free function, impl method or static
|
||||
|
||||
error: attribute should be applied to a free function, impl method or static
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:109:9
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:115:9
|
||||
|
|
||||
LL | #[export_name = "2200"] fn foo();
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^ --------- not a free function, impl method or static
|
||||
|
||||
error: attribute should be applied to a free function, impl method or static
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:113:9
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:119:9
|
||||
|
|
||||
LL | #[export_name = "2200"] fn bar() {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^ ----------- not a free function, impl method or static
|
||||
|
||||
error[E0517]: attribute should be applied to a struct, enum, or union
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:141:25
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:147:25
|
||||
|
|
||||
LL | mod inner { #![repr(C)] }
|
||||
| --------------------^---- not a struct, enum, or union
|
||||
|
||||
error[E0517]: attribute should be applied to a struct, enum, or union
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:145:12
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:151:12
|
||||
|
|
||||
LL | #[repr(C)] fn f() { }
|
||||
| ^ ---------- not a struct, enum, or union
|
||||
|
||||
error[E0517]: attribute should be applied to a struct, enum, or union
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:151:12
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:157:12
|
||||
|
|
||||
LL | #[repr(C)] type T = S;
|
||||
| ^ ----------- not a struct, enum, or union
|
||||
|
||||
error[E0517]: attribute should be applied to a struct, enum, or union
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:155:12
|
||||
--> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:161:12
|
||||
|
|
||||
LL | #[repr(C)] impl S { }
|
||||
| ^ ---------- not a struct, enum, or union
|
||||
|
||||
@ -11,10 +11,14 @@ error: `test` attribute cannot be used at crate level
|
||||
|
|
||||
LL | #![test = "4200"]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
...
|
||||
LL | fn main() {}
|
||||
| ---- the inner attribute doesn't annotate this function
|
||||
|
|
||||
help: perhaps you meant to use an outer attribute
|
||||
|
|
||||
LL | #[test = "4200"]
|
||||
LL - #![test = "4200"]
|
||||
LL + #[test = "4200"]
|
||||
|
|
||||
|
||||
error: aborting due to 2 previous errors
|
||||
|
||||
@ -14,8 +14,9 @@ LL | #![test]
|
||||
|
|
||||
help: perhaps you meant to use an outer attribute
|
||||
|
|
||||
LL | #[test]
|
||||
| ~~~~~~~
|
||||
LL - #![test]
|
||||
LL + #[test]
|
||||
|
|
||||
|
||||
error: aborting due to 2 previous errors
|
||||
|
||||
|
||||
@ -11,11 +11,15 @@ error: `derive` attribute cannot be used at crate level
|
||||
|
|
||||
LL | #![derive(Debug, PartialEq, Eq)] // should be an outer attribute!
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
...
|
||||
LL | struct DerivedOn;
|
||||
| --------- the inner attribute doesn't annotate this struct
|
||||
|
|
||||
help: perhaps you meant to use an outer attribute
|
||||
|
|
||||
LL | #[derive(Debug, PartialEq, Eq)] // should be an outer attribute!
|
||||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
LL - #![derive(Debug, PartialEq, Eq)] // should be an outer attribute!
|
||||
LL + #[derive(Debug, PartialEq, Eq)] // should be an outer attribute!
|
||||
|
|
||||
|
||||
error: aborting due to 2 previous errors
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user