From 074c420496e4ff32bbd4bbe2ca5b3b00a320b54a Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@google.com>
Date: Sun, 11 May 2025 07:13:02 -0700
Subject: [PATCH] [BOLT] Use StringRef::starts_with (NFC) (#139437)

---
 bolt/lib/Rewrite/BuildIDRewriter.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/bolt/lib/Rewrite/BuildIDRewriter.cpp b/bolt/lib/Rewrite/BuildIDRewriter.cpp
index 83d0c9bfe182..d50416fb80c6 100644
--- a/bolt/lib/Rewrite/BuildIDRewriter.cpp
+++ b/bolt/lib/Rewrite/BuildIDRewriter.cpp
@@ -78,8 +78,7 @@ Error BuildIDRewriter::sectionInitializer() {
                                  "out of bounds while reading note section: %s",
                                  toString(Cursor.takeError()).c_str());
 
-      if (Type == ELF::NT_GNU_BUILD_ID && Name.substr(0, 3) == "GNU" &&
-          DescSz) {
+      if (Type == ELF::NT_GNU_BUILD_ID && Name.starts_with("GNU") && DescSz) {
         BuildIDSection = NoteSection;
         BuildID = Desc;
         BC.setFileBuildID(getPrintableBuildID(Desc));