Fix: Add a span to AttributeKind::PinV2

Author: frank-king

compiler/rustc_attr_parsing/src/attributes/pin_v2.rs

@@ -15,5 +15,5 @@ impl NoArgsAttributeParser for PinV2Parser {
         Allow(Target::Struct),
         Allow(Target::Union),
     ]);
-    const CREATE: fn(Span) -> AttributeKind = |_| AttributeKind::PinV2;
+    const CREATE: fn(Span) -> AttributeKind = AttributeKind::PinV2;
 }

compiler/rustc_hir/src/attrs/data_structures.rs

@@ -1212,7 +1212,7 @@ pub enum AttributeKind {
     },
 
     /// Represents `#[pin_v2]`
-    PinV2,
+    PinV2(Span),
 
     /// Represents `#[prelude_import]`
     PreludeImport,

compiler/rustc_hir/src/attrs/encode_cross_crate.rs

@@ -86,7 +86,7 @@ impl AttributeKind {
             PatchableFunctionEntry { .. } => Yes,
             Path(..) => No,
             PatternComplexityLimit { .. } => No,
-            PinV2 => Yes,
+            PinV2(..) => Yes,
             PreludeImport => No,
             ProcMacro => No,
             ProcMacroAttribute => No,

compiler/rustc_middle/src/ty/adt.rs

@@ -349,7 +349,7 @@ impl AdtDefData {
             debug!("found non-exhaustive variant list for {:?}", did);
             flags = flags | AdtFlags::IS_VARIANT_LIST_NON_EXHAUSTIVE;
         }
-        if find_attr!(tcx, did, PinV2) {
+        if find_attr!(tcx, did, PinV2(..)) {
             debug!("found pin-project type {:?}", did);
             flags |= AdtFlags::IS_PIN_PROJECT;
         }

compiler/rustc_passes/src/check_attr.rs

@@ -259,7 +259,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> {
                     | AttributeKind::PatchableFunctionEntry { .. }
                     | AttributeKind::Path(..)
                     | AttributeKind::PatternComplexityLimit { .. }
-                    | AttributeKind::PinV2
+                    | AttributeKind::PinV2(..)
                     | AttributeKind::PreludeImport
                     | AttributeKind::ProfilerRuntime
                     | AttributeKind::RecursionLimit { .. }