[clang] [Frontend] Use StringRef::ends_with (NFC) (PR #135988)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/135988.diff


1 Files Affected:

- (modified) clang/lib/Frontend/InitPreprocessor.cpp (+1-1) 


``````````diff
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 659af42478991..1f297f228fc1b 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -32,7 +32,7 @@ using namespace clang;
 static bool MacroBodyEndsInBackslash(StringRef MacroBody) {
   while (!MacroBody.empty() && isWhitespace(MacroBody.back()))
     MacroBody = MacroBody.drop_back();
-  return !MacroBody.empty() && MacroBody.back() == '\\';
+  return MacroBody.ends_with('\\');
 }
 
 // Append a #define line to Buf for Macro.  Macro should be of the form XXX,

``````````

</details>


https://github.com/llvm/llvm-project/pull/135988