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

[Kazu Hirata via cfe-commits]

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

None

>From 3edcc619a046381e65027257bb6f3f821cfa7b95 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Wed, 16 Apr 2025 09:41:33 -0700
Subject: [PATCH] [Frontend] Use StringRef::ends_with (NFC)

---
 clang/lib/Frontend/InitPreprocessor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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,