From 0bde74ab04992bcd63bc0bfd8b79e2ef5eab270b Mon Sep 17 00:00:00 2001
From: Fangrui Song <i@maskray.me>
Date: Wed, 1 Apr 2026 22:07:42 -0700
Subject: [PATCH] [ELF] Pass SectionPiece by reference in getSectionPiece. NFC
 (#190110)

The generated assembly looks more optimized. In addition, this avoids
widened load, which would cause a TSan-detected data race with parallel
--gc-sections (#189321).
---
 lld/ELF/InputSection.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lld/ELF/InputSection.cpp b/lld/ELF/InputSection.cpp
index fc82433cdcc9..2177090c0b46 100644
--- a/lld/ELF/InputSection.cpp
+++ b/lld/ELF/InputSection.cpp
@@ -1557,7 +1557,8 @@ SectionPiece &MergeInputSection::getSectionPiece(uint64_t offset) {
   if (!(flags & SHF_STRINGS))
     return pieces[offset / entsize];
   return partition_point(
-      pieces, [=](SectionPiece p) { return p.inputOff <= offset; })[-1];
+      pieces,
+      [=](const SectionPiece &p) { return p.inputOff <= offset; })[-1];
 }
 
 // Return the offset in an output section for a given input offset.