[clang] [clang][NFC] Refactor replaceExternalDecls to use llvm::any_of (PR #143275)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Samarth Narang (snarang181)

<details>
<summary>Changes</summary>

This patch simplifies the declaration replacement logic in replaceExternalDecls by replacing a manual loop with an idiomatic use of llvm::any_of. This improves code readability and aligns with common LLVM coding style.

---
Full diff: https://github.com/llvm/llvm-project/pull/143275.diff


1 Files Affected:

- (modified) clang/include/clang/AST/DeclContextInternals.h (+4-8) 


``````````diff
diff --git a/clang/include/clang/AST/DeclContextInternals.h b/clang/include/clang/AST/DeclContextInternals.h
index b17b7627ac90c..a1071f62d5fae 100644
--- a/clang/include/clang/AST/DeclContextInternals.h
+++ b/clang/include/clang/AST/DeclContextInternals.h
@@ -176,14 +176,10 @@ class StoredDeclsList {
     DeclListNode::Decls *Tail = erase_if([Decls](NamedDecl *ND) {
       if (ND->isFromASTFile())
         return true;
-      // FIXME: Can we get rid of this loop completely?
-      for (NamedDecl *D : Decls)
-        // Only replace the local declaration if the external declaration has
-        // higher visibilities.
-        if (D->getModuleOwnershipKind() <= ND->getModuleOwnershipKind() &&
-            D->declarationReplaces(ND, /*IsKnownNewer=*/false))
-          return true;
-      return false;
+      return llvm::any_of(Decls, [ND](NamedDecl *D) {
+        return D->getModuleOwnershipKind() <= ND->getModuleOwnershipKind() &&
+               D->declarationReplaces(ND, /*IsKnownNewer=*/false);
+      });
     });
 
     // Don't have any pending external decls any more.

``````````

</details>


https://github.com/llvm/llvm-project/pull/143275