From 28abd0173280d66909e2889636e9d296f5d9d74e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A5rten=20Nordheim?= <marten.nordheim@qt.io>
Date: Mon, 29 Apr 2024 23:20:53 +0200
Subject: [PATCH] Speed up setup for QSet unite benchmark

Pick-to: 6.7 6.5
Change-Id: I38a56ae2c9f3dcbcb851cf63ae692cd7f9497989
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
(cherry picked from commit ccbf2cd43c1748259410cddbf4f359b6b88df987)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 tests/benchmarks/corelib/tools/qset/tst_bench_qset.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/benchmarks/corelib/tools/qset/tst_bench_qset.cpp b/tests/benchmarks/corelib/tools/qset/tst_bench_qset.cpp
index 5bbec05aab7..e5ad33d661c 100644
--- a/tests/benchmarks/corelib/tools/qset/tst_bench_qset.cpp
+++ b/tests/benchmarks/corelib/tools/qset/tst_bench_qset.cpp
@@ -125,10 +125,12 @@ void tst_QSet::unite_int_data()
 auto build_sets(int lhsSize, int rhsSize, int overlap)
 {
     QSet<int> lhs;
+    lhs.reserve(lhsSize);
     for (int i = 0; i < lhsSize; ++i)
         lhs.insert(i);
 
     QSet<int> rhs;
+    rhs.reserve(rhsSize);
     for (int i = lhsSize - overlap; i < rhsSize + lhsSize - overlap; ++i)
         rhs.insert(i);