[clang] [AST] Use llvm::iterator_range::empty (NFC) (PR #151800)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

With empty, we don't have to repeat the whole expression.


---
Full diff: https://github.com/llvm/llvm-project/pull/151800.diff


1 Files Affected:

- (modified) clang/lib/AST/MicrosoftMangle.cpp (+1-2) 


``````````diff
diff --git a/clang/lib/AST/MicrosoftMangle.cpp b/clang/lib/AST/MicrosoftMangle.cpp
index bc47e0506add0..e6ea0ada2e9ec 100644
--- a/clang/lib/AST/MicrosoftMangle.cpp
+++ b/clang/lib/AST/MicrosoftMangle.cpp
@@ -1298,8 +1298,7 @@ void MicrosoftCXXNameMangler::mangleUnqualifiedName(GlobalDecl GD,
         Name += "<unnamed-type-";
         Name += TND->getName();
       } else if (isa<EnumDecl>(TD) &&
-                 cast<EnumDecl>(TD)->enumerator_begin() !=
-                     cast<EnumDecl>(TD)->enumerator_end()) {
+                 !cast<EnumDecl>(TD)->enumerators().empty()) {
         // Anonymous non-empty enums mangle in the first enumerator.
         auto *ED = cast<EnumDecl>(TD);
         Name += "<unnamed-enum-";

``````````

</details>


https://github.com/llvm/llvm-project/pull/151800