Auto merge of #98827 - aDotInTheVoid:suggest-extern-block, r=nagisa

Suggest using block for `extern "abi" fn` with no body

`@rustbot` modify labels: +A-diagnostics

Author: bors

clippy_lints/src/excessive_bools.rs

@@ -94,7 +94,7 @@ impl ExcessiveBools {
 
     fn check_fn_sig(&self, cx: &EarlyContext<'_>, fn_sig: &FnSig, span: Span) {
         match fn_sig.header.ext {
-            Extern::Implicit | Extern::Explicit(_) => return,
+            Extern::Implicit(_) | Extern::Explicit(_, _) => return,
             Extern::None => (),
         }
 

clippy_utils/src/ast_utils.rs

@@ -600,8 +600,8 @@ pub fn eq_ty(l: &Ty, r: &Ty) -> bool {
 pub fn eq_ext(l: &Extern, r: &Extern) -> bool {
     use Extern::*;
     match (l, r) {
-        (None, None) | (Implicit, Implicit) => true,
-        (Explicit(l), Explicit(r)) => eq_str_lit(l, r),
+        (None, None) | (Implicit(_), Implicit(_)) => true,
+        (Explicit(l,_), Explicit(r,_)) => eq_str_lit(l, r),
         _ => false,
     }
 }