Rollup merge of #145243 - jdonszelmann:inner-attr-errors, r=petrochenkov

take attr style into account in diagnostics

when the original attribute was specified as an inner attribute, the suggestion will now match that attribute style

1 files changed, 6 insertions, 2 deletions

diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs
index 9749028adb0..3b11a2bc7df 100644
--- a/compiler/rustc_feature/src/builtin_attrs.rs
+++ b/compiler/rustc_feature/src/builtin_attrs.rs
@@ -6,6 +6,7 @@ use AttributeDuplicates::*;
 use AttributeGate::*;
 use AttributeType::*;
 use rustc_data_structures::fx::FxHashMap;
+use rustc_hir::AttrStyle;
 use rustc_hir::attrs::EncodeCrossCrate;
 use rustc_span::edition::Edition;
 use rustc_span::{Symbol, sym};
@@ -132,9 +133,12 @@ pub struct AttributeTemplate {
 }
 
 impl AttributeTemplate {
-    pub fn suggestions(&self, inner: bool, name: impl std::fmt::Display) -> Vec<String> {
+    pub fn suggestions(&self, style: AttrStyle, name: impl std::fmt::Display) -> Vec<String> {
         let mut suggestions = vec![];
-        let inner = if inner { "!" } else { "" };
+        let inner = match style {
+            AttrStyle::Outer => "",
+            AttrStyle::Inner => "!",
+        };
         if self.word {
             suggestions.push(format!("#{inner}[{name}]"));
         }